Medium severity · published Nov 3, 2021
CVE-2021-20135
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…
6.7
CVSS
0.3%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Nessus · Tenable
through 8.15.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20135
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20135
Vendor Advisory
https://www.tenable.com/security/tns-2021-18
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