PT-2021-13772 · Unknown · Nessus Agent

Phillip Castellanos · Published 2021-06-28 · Updated 2022-07-12 · CVE-2021-20099

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Nessus Agent versions 8.2.4 and earlier

Description: The issue allows an authenticated, local administrator to run specific Windows executables as the Nessus host, enabling local privilege escalation.

Recommendations: For Nessus Agent versions 8.2.4 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2021-20099

Affected Products

Nessus Agent

References · 5

• https://tenable.com/security/tns-2021-12 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20099 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20099 · Security Note
• https://t.me/cibsecurity/25732 · Telegram Post
• https://t.me/cibsecurity/25733 · Telegram Post