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    CVE-2021-21912

    A privilege escalation vulnerability exists in the Windows version of installation for Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021). A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

    Published:Dec 22, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 22, 2021
    EPSS Score:0.00108
    CVSS Score:7.8

    Affected Products

    Vendor
    Advantech
    Product
    R-seenet
    Vendor
    Microsoft
    Product
    Windows

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1360https://talosintelligence.com/vulnerability_reports/TALOS-2021-1360

    Common Weakness Enumeration

    CWE-276 Incorrect Default Permissions

    Related CVEs

    CVE-2023-5642 (CVSS 9.8) — Advantech R-SeeNet v2.4.23 allows an unauthenticated remote attacker to read from and write to the snmpmon.ini…
    CVE-2023-2611 (CVSS 9.8) — Advantech R-SeeNet versions 2.4.22 is installed with a hidden root-level user that is not available in the …
    CVE-2023-3256 (CVSS 8.8) — Advantech R-SeeNet versions 2.4.22 allows low-level users to access and load the content of local files. …
    CVE-2022-3387 (CVSS 6.5) — Advantech R-SeeNet Versions 2.4.19 and prior are vulnerable to path traversal attacks. An unauthorized attack…
    CVE-2022-3386 (CVSS 9.8) — Advantech R-SeeNet Versions 2.4.17 and prior are vulnerable to a stack-based buffer overflow. An unauthorized…
    CVE-2022-3385 (CVSS 9.8) — Advantech R-SeeNet Versions 2.4.17 and prior are vulnerable to a stack-based buffer overflow. An unauthorized…
    CVE-2021-21937 (CVSS 6.5) — A specially-crafted HTTP request can lead to SQL injection. An attacker can make authenticated HTTP requests t…
    CVE-2021-21936 (CVSS 8.8) — A specially-crafted HTTP request can lead to SQL injection. An attacker can make authenticated HTTP requests t…
    CVE-2021-21935 (CVSS 6.5) — A specially-crafted HTTP request can lead to SQL injection. An attacker can make authenticated HTTP requests t…
    CVE-2021-21934 (CVSS 6.5) — A specially-crafted HTTP request can lead to SQL injection. An attacker can make authenticated HTTP requests t…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High