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Vulnerability DatabaseCVE-2021-20099
CVE-2021-20099:
Tenable Nessus vulnerability analysis and mitigation
Overview
Nessus Agent 8.2.4 and earlier for Windows contained a local privilege escalation vulnerability (CVE-2021-20099) that could allow an authenticated, local administrator to run specific Windows executables as the Nessus Agent host (Tenable Advisory).
Technical details
The vulnerability has been assigned a CVSSv3 Base/Temporal Score of 7.8/6.8 with the vector string AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C, indicating a high-severity local attack requiring low complexity and privileges (Tenable Advisory).
Impact
If exploited, this vulnerability allows authenticated local administrators to elevate privileges and execute specific Windows executables with the permissions of the Nessus Agent host, potentially compromising system security (Tenable Advisory).
Mitigation and workarounds
Tenable has released Nessus Agent 8.2.5 to address this vulnerability. Users are advised to upgrade to this version through the Tenable Downloads Portal to mitigate the risk (Tenable Advisory).
Additional resources
Source: This report was generated using AI
Related Tenable Nessus vulnerabilities:
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