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    CVE-2021-40345

    An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.

    Published:Oct 26, 2021
    Last Modified:Nov 21, 2024
    EPS:Oct 26, 2021
    EPSS Score:0.76499
    CVSS Score:7.2

    Affected Products

    Vendor
    Nagios
    Product
    Nagios Xi

    Exploits

    https://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.mdhttps://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdfhttps://github.com/ArianeBlow/NagiosXI-EmersonFI/blob/main/README.mdhttps://www.synacktiv.com/sites/default/files/2021-10/Nagios_XI_multiple_vulnerabilities_0.pdfhttps://github.com/ArianeBlow/NagiosXI-RCE-all-version-CVE-2021-40345

    Related CVEs

    CVE-2026-48549 (CVSS 6.9) — Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cook…
    CVE-2026-48554 (CVSS 7.7) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution …
    CVE-2026-48553 (CVSS 7.7) — Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution …
    CVE-2026-48552 (CVSS 5.1) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in js…
    CVE-2026-48551 (CVSS 6.1) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass…
    CVE-2026-48550 (CVSS 5.1) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cm…
    CVE-2026-2041 (CVSS 8.8) — Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerab…
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    CVE-2025-67254 (CVSS 7.5) — NagiosXI 2026R1.0.1 build 1762361101 is vulnerable to Directory Traversal in /admin/coreconfigsnapshots.php.…

    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