CVE-2021-20118

6.7 mediumEPSS 0.3%

Medium (6.7) in tenable nessus agent. EPSS 0.3% chance of exploitation in the next 30 days.

Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20117.

Severity

CVSS 3.1

6.7 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)
Published: 2021-09-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenable:nessus_agent

References

https://www.tenable.com/security/tns-2021-15
https://www.tenable.com/security/tns-2021-15

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