CVE-2021-20135 describes a local privilege escalation vulnerability in Tenable Nessus versions 8.15.2 and earlier, allowing an authenticated local administrator to execute specific binaries on the Nessus Agent host. With a CVSS score of 6.7 (Medium), this vulnerability has a low attack complexity and requires high privileges, but can lead to high impact on confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and the vulnerability shows no signs of active exploitation, with minimal community discussion or media coverage. Tenable has released a fix in Nessus 10.0.0.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 8.15.2CPE matchmatch criteria | cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.