Vulnerability · Published Nov 2, 2021 · Assigned by tenable
CVE-2021-20135
Medium 6.7
In plain English
A medium-severity security flaw in Nessus. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS NVD)6.7Medium
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Nessus versions 8.15.2 and earlier were found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. Tenable has included a fix for this issue in Nessus 10.0.0. The installation files can be obtained from the Tenable Downloads Portal (https://www.tenable.com/downloads/nessus).
Affected products (as reported)
References
- https://www.tenable.com/security/tns-2021-18 x_refsource_MISC