CVE-2021-20099

6.7 mediumEPSS 0.4%

Medium (6.7) in tenable nessus. EPSS 0.4% chance of exploitation in the next 30 days.

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-2021-20100.

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: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
Published: 2021-06-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tenable:nessus

References

https://www.tenable.com/security/tns-2021-12
https://www.tenable.com/security/tns-2021-12

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