CVE-2021-20135

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).

Risk Information

Base Score
6.7
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.049

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2021-20135 are affected in Nessus Agent (x64) 8.15.2Windows
Vulnerabilities CVE-2021-20135 are affected in Nessus Agent 8.15.2Windows
Vulnerabilities CVE-2021-20135 are fixed in Nessus Agent (x64) (10.0.0.20074)Windows
Vulnerabilities CVE-2021-20135 are fixed in Nessus Agent (10.0.0.20074)Windows
Vulnerabilities CVE-2021-20135 are fixed in Tenable Nessus 10.0.0Windows

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-343100Nessus Agent (x64) (10.8.0)
PATCH-343099Nessus Agent (10.8.0)
PATCH-346982Nessus Agent (x64) (10.8.4) (Manual Upload Required)
PATCH-346981Nessus Agent (10.8.4) (Manual Upload Required)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234