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    5.5
    Medium

    CVE-2021-28855

    Last Modified: 26 Jan 2026

    In Deark before 1.5.8, a specially crafted input file can cause a NULL pointer dereference in the dbuf_write function (src/deark-dbuf.c).

    Published: 14 Apr 2021
    5.5
    Medium

    CVE-2021-28856

    Last Modified: 26 Jan 2026

    In Deark before v1.5.8, a specially crafted input file can cause a division by zero in (src/fmtutil.c) because of the value of pixelsize.

    Published: 14 Apr 2021
    3.2
    Low

    CVE-2021-27260

    Last Modified: 21 Nov 2024

    This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 16.0.1-48919. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12068.

    Published: 14 Apr 2021
    7.8
    High

    CVE-2021-27259

    Last Modified: 21 Nov 2024

    This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.0.1-48919. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12021.

    Published: 14 Apr 2021
    8.8
    High

    CVE-2021-27253

    Last Modified: 21 Nov 2024

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the rc_service parameter provided to apply_bind.cgi. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12303.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27258

    Last Modified: 21 Nov 2024

    This vulnerability allows remote attackers to execute escalate privileges on affected installations of SolarWinds Orion Platform 2020.2. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SaveUserSetting endpoint. The issue results from improper restriction of this endpoint to unprivileged users. An attacker can leverage this vulnerability to escalate privileges their privileges from Guest to Administrator. Was ZDI-CAN-11903.

    Published: 14 Apr 2021
    8.8
    High

    CVE-2021-27252

    Last Modified: 21 Nov 2024

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the vendor_specific DHCP opcode. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12216.

    Published: 14 Apr 2021
    8.8
    High

    CVE-2021-27251

    Last Modified: 21 Nov 2024

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR Nighthawk R7800. Authentication is not required to exploit this vulnerability The specific flaw exists within handling of firmware updates. The issue results from a fallback to a insecure protocol to deliver updates. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-12308.

    Published: 14 Apr 2021
    6.5
    Medium

    CVE-2021-27250

    Last Modified: 21 Nov 2024

    This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-11856.

    Published: 14 Apr 2021
    8.8
    High

    CVE-2021-27249

    Last Modified: 21 Nov 2024

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369.

    Published: 14 Apr 2021
    6.5
    Medium

    CVE-2021-27247

    Last Modified: 21 Nov 2024

    This vulnerability allows remote attackers to disclose sensitive information on affected installations of Tencent WeChat 2.9.5 desktop version. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the WXAM decoder. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-11907.

    Published: 14 Apr 2021
    8.8
    High

    CVE-2021-27248

    Last Modified: 21 Nov 2024

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the getpage parameter, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-10932.

    Published: 14 Apr 2021
    8
    High

    CVE-2021-27246

    Last Modified: 21 Nov 2024

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 AC1750 1.0.15 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of MAC addresses by the tdpServer endpoint. A crafted TCP message can write stack pointers to the stack. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-12306.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27708

    Last Modified: 21 Nov 2024

    Command Injection in TOTOLINK X5000R router with firmware v9.1.0u.6118_B20201102, and TOTOLINK A720R router with firmware v4.1.5cu.470_B20200911 allows remote attackers to execute arbitrary OS commands by sending a modified HTTP request. This occurs because the function executes glibc's system function with untrusted input. In the function, "command" parameter is directly passed to the attacker, allowing them to control the "command" field to attack the OS.

    Published: 14 Apr 2021
    7.8
    High

    CVE-2021-25314

    Last Modified: 21 Nov 2024

    A Creation of Temporary File With Insecure Permissions vulnerability in hawk2 of SUSE Linux Enterprise High Availability 12-SP3, SUSE Linux Enterprise High Availability 12-SP5, SUSE Linux Enterprise High Availability 15-SP2 allows local attackers to escalate to root. This issue affects: SUSE Linux Enterprise High Availability 12-SP3 hawk2 versions prior to 2.6.3+git.1614685906.812c31e9. SUSE Linux Enterprise High Availability 12-SP5 hawk2 versions prior to 2.6.3+git.1614685906.812c31e9. SUSE Linux Enterprise High Availability 15-SP2 hawk2 versions prior to 2.6.3+git.1614684118.af555ad9.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27707

    Last Modified: 21 Nov 2024

    Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"portMappingIndex "request. This occurs because the "formDelPortMapping" function directly passes the parameter "portMappingIndex" to strcpy without limit.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27130

    Last Modified: 14 Apr 2026

    Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.

    Published: 14 Apr 2021
    7.8
    High

    CVE-2021-28098

    Last Modified: 21 Nov 2024

    An issue was discovered in Forescout CounterACT before 8.1.4. A local privilege escalation vulnerability is present in the logging function. SecureConnector runs with administrative privileges and writes logs entries to a file in %PROGRAMDATA%\ForeScout SecureConnector\ that has full permissions for the Everyone group. Using a symbolic link allows an attacker to point the log file to a privileged location such as %WINDIR%\System32. The resulting log file adopts the file permissions of the source of the symbolic link (in this case, the Everyone group). The log file in System32 can be replaced and renamed with a malicious DLL for DLL hijacking.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27706

    Last Modified: 21 Nov 2024

    Buffer Overflow in Tenda G1 and G3 routers with firmware version V15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"IPMacBindIndex "request. This occurs because the "formIPMacBindDel" function directly passes the parameter "IPMacBindIndex" to strcpy without limit.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27705

    Last Modified: 21 Nov 2024

    Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"qosIndex "request. This occurs because the "formQOSRuleDel" function directly passes the parameter "qosIndex" to strcpy without limit.

    Published: 14 Apr 2021
    5.5
    Medium

    CVE-2021-30494

    Last Modified: 21 Nov 2024

    Multiple system services installed alongside the Razer Synapse 3 software suite perform privileged operations on entries within the Razer Chroma SDK subkey. These privileged operations consist of file name concatenation of a runtime log file that is used to store runtime log information. In other words, an attacker can create a file in an unintended directory (with some limitations).

    Published: 14 Apr 2021
    5.5
    Medium

    CVE-2021-30493

    Last Modified: 21 Nov 2024

    Multiple system services installed alongside the Razer Synapse 3 software suite perform privileged operations on entries within the ChromaBroadcast subkey. These privileged operations consist of file name concatenation of a runtime log file that is used to store runtime log information. In other words, an attacker can create a file in an unintended directory (with some limitations).

    Published: 14 Apr 2021
    5.4
    Medium

    CVE-2020-29593

    Last Modified: 21 Nov 2024

    An issue was discovered in Orchard before 1.10. The Media Settings Allowed File Types list field allows an attacker to add a XSS payload that will execute when users attempt to upload a disallowed file type, causing the error to display.

    Published: 14 Apr 2021
    7.5
    High

    CVE-2021-27608

    Last Modified: 21 Nov 2024

    An unquoted service path in SAPSetup, version - 9.0, could lead to privilege escalation during the installation process that is performed when an executable file is registered. This could further lead to complete compromise of confidentiality, Integrity and Availability.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2020-29592

    Last Modified: 21 Nov 2024

    An issue was discovered in Orchard before 1.10. A broken access control issue in Orchard components that use the TinyMCE HTML editor's file upload allows an attacker to upload dangerous executables that bypass the file types allowed (regardless of the file types allowed list in Media settings).

    Published: 14 Apr 2021
    6.5
    Medium

    CVE-2021-27599

    Last Modified: 21 Nov 2024

    SAP NetWeaver ABAP Server and ABAP Platform (Process Integration - Integration Builder Framework), versions - 7.10, 7.30, 7.31, 7.40, 7.50, allows an attacker to access information under certain conditions, which would otherwise be restricted.

    Published: 14 Apr 2021
    6.5
    Medium

    CVE-2021-27604

    Last Modified: 21 Nov 2024

    In order to prevent XML External Entity vulnerability in SAP NetWeaver ABAP Server and ABAP Platform (Process Integration - Enterprise Service Repository JAVA Mappings), versions - 7.10, 7.20, 7.30, 7.31, 7.40, 7.50, SAP recommends to refer this note.

    Published: 14 Apr 2021
    7.5
    High

    CVE-2021-27990

    Last Modified: 21 Nov 2024

    Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed with layouts, menus and functionalities.

    Published: 14 Apr 2021
    6.1
    Medium

    CVE-2021-26812

    Last Modified: 21 Nov 2024

    Cross Site Scripting (XSS) in the Jitsi Meet 2.7 through 2.8.3 plugin for Moodle via the "sessionpriv.php" module. This allows attackers to craft a malicious URL, which when clicked on by users, can inject javascript code to be run by the application.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2020-19778

    Last Modified: 21 Nov 2024

    Incorrect Access Control in Shopxo v1.4.0 and v1.5.0 allows remote attackers to gain privileges in "/index.php" by manipulating the parameter "user_id" in the HTML request.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27114

    Last Modified: 21 Nov 2024

    An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-27113

    Last Modified: 21 Nov 2024

    An issue was discovered in D-Link DIR-816 A2 1.10 B05 devices. An HTTP request parameter is used in command string construction within the handler function of the /goform/addRouting route. This could lead to Command Injection via Shell Metacharacters.

    Published: 14 Apr 2021
    7.5
    High

    CVE-2021-26827

    Last Modified: 21 Nov 2024

    Buffer Overflow in TP-Link WR2041 v1 firmware for the TL-WR2041+ router allows remote attackers to cause a Denial-of-Service (DoS) by sending an HTTP request with a very long "ssid" parameter to the "/userRpm/popupSiteSurveyRpm.html" webpage, which crashes the router.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-28300

    Last Modified: 21 Nov 2024

    NULL Pointer Dereference in the "isomedia/track.c" module's "MergeTrack()" function of GPAC v0.5.2 allows attackers to execute arbitrary code or cause a Denial-of-Service (DoS) by uploading a malicious MP4 file.

    Published: 14 Apr 2021
    5.5
    Medium

    CVE-2021-26805

    Last Modified: 21 Nov 2024

    Buffer Overflow in tsMuxer 2.6.16 allows attackers to cause a Denial of Service (DoS) by running the application with a malicious WAV file.

    Published: 14 Apr 2021
    7.5
    High

    CVE-2020-36120

    Last Modified: 24 Apr 2026

    Buffer Overflow in the "sixel_encoder_encode_bytes" function of Libsixel v1.8.6 allows attackers to cause a Denial of Service (DoS).

    Published: 14 Apr 2021
    4.8
    Medium

    CVE-2020-21088

    Last Modified: 21 Nov 2024

    Cross Site Scripting (XSS) in X2engine X2CRM v7.1 and older allows remote attackers to obtain sensitive information by injecting arbitrary web script or HTML via the "First Name" and "Last Name" fields in "/index.php/contacts/create page"

    Published: 14 Apr 2021
    6.1
    Medium

    CVE-2020-21087

    Last Modified: 21 Nov 2024

    Cross Site Scripting (XSS) in X2Engine X2CRM v6.9 and older allows remote attackers to execute arbitrary code by injecting arbitrary web script or HTML via the "New Name" field of the "Rename a Module" tool.

    Published: 14 Apr 2021
    6.1
    Medium

    CVE-2021-27288

    Last Modified: 21 Nov 2024

    Cross Site Scripting (XSS) in X2Engine X2CRM v7.1 allows remote attackers to obtain sensitive information by injecting arbitrary web script or HTML via the "Comment" field in "/profile/activity" page.

    Published: 14 Apr 2021
    6.1
    Medium

    CVE-2021-26832

    Last Modified: 21 Nov 2024

    Cross Site Scripting (XSS) in the "Reset Password" page form of Priority Enterprise Management System v8.00 allows attackers to execute javascript on behalf of the victim by sending a malicious URL or directing the victim to a malicious site.

    Published: 14 Apr 2021
    8.8
    High

    CVE-2021-22879

    Last Modified: 21 Nov 2024

    Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

    Published: 14 Apr 2021
    5.4
    Medium

    CVE-2021-27989

    Last Modified: 21 Nov 2024

    Appspace 6.2.4 is vulnerable to stored cross-site scripting (XSS) in multiple parameters within /medianet/sgcontentset.aspx.

    Published: 14 Apr 2021
    3.3
    Low

    CVE-2021-25316

    Last Modified: 21 Nov 2024

    A Insecure Temporary File vulnerability in s390-tools of SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-SP2 allows local attackers to prevent VM live migrations This issue affects: SUSE Linux Enterprise Server 12-SP5 s390-tools versions prior to 2.1.0-18.29.1. SUSE Linux Enterprise Server 15-SP2 s390-tools versions prior to 2.11.0-9.20.1.

    Published: 14 Apr 2021
    9.8
    Critical

    CVE-2021-28797

    Last Modified: 21 Nov 2024

    A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. QNAP have already fixed this vulnerability in the following versions: Surveillance Station 5.1.5.4.3 (and later) for ARM CPU NAS (64bit OS) and x86 CPU NAS (64bit OS) Surveillance Station 5.1.5.3.3 (and later) for ARM CPU NAS (32bit OS) and x86 CPU NAS (32bit OS)

    Published: 14 Apr 2021
    8.8
    High

    CVE-2021-31152

    Last Modified: 21 Nov 2024

    Multilaser Router AC1200 V02.03.01.45_pt contains a cross-site request forgery (CSRF) vulnerability. An attacker can enable remote access, change passwords, and perform other actions through misconfigured requests, entries, and headers.

    Published: 14 Apr 2021
    6.1
    Medium

    CVE-2020-25864

    Last Modified: 21 Nov 2024

    HashiCorp Consul and Consul Enterprise up to version 1.9.4 key-value (KV) raw mode was vulnerable to cross-site scripting. Fixed in 1.9.5, 1.8.10 and 1.7.14.

    Published: 14 Apr 2021
    7.2
    High

    CVE-2021-20288

    Last Modified: 21 Nov 2024

    An authentication flaw was found in ceph in versions before 14.2.20. When the monitor handles CEPHX_GET_AUTH_SESSION_KEY requests, it doesn't sanitize other_keys, allowing key reuse. An attacker who can request a global_id can exploit the ability of any user to request a global_id previously associated with another user, as ceph does not force the reuse of old keys to generate new ones. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

    Published: 14 Apr 2021
    7.1
    High

    CVE-2021-32078

    Last Modified: 21 Nov 2024

    An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access to element -2 of an array, aka CID-298a58e165e4.

    Published: 14 Apr 2021
    5.6
    Medium

    CVE-2021-3499

    Last Modified: 21 Nov 2024

    A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.

    Published: 14 Apr 2021
    6.5
    Medium

    CVE-2021-25735

    Last Modified: 21 Nov 2024

    A security issue was discovered in kube-apiserver that could allow node updates to bypass a Validating Admission Webhook. Clusters are only affected by this vulnerability if they run a Validating Admission Webhook for Nodes that denies admission based at least partially on the old state of the Node object. Validating Admission Webhook does not observe some previous fields.

    Published: 14 Apr 2021