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6.7

Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows ...

CVE-2021-20100 · published 5 years ago
Summary

Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than CVE-2021-20099.

What to do
  • Update tenable nessus to version 8.2.5 or later.
Affected software
VendorProductAffected versions
tenable nessus < 8.2.5
cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*
Original advisory text
Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows ...
Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than CVE-2021-20099.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
6.7 Medium
Exploitation
<1% chance of attack within 30 days
Timeline
Published28 Jun 2021
Updated30 Oct 2026
First seen29 Sep 2026
Sources
CVE-2021-20100 · NVD
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