CVE-2021-20135
mediumpriority · track · 27EPSS 0.003 · 23 %ileEUUSEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- http://www.tenable.com/security/tns-2021-18Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-20135cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.3640cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021110115cnnvd
- https://www.tenable.com/security/tns-2021-18cnnvd
- https://www.tenable.com/security/tns-2021-18enisa_euvd
- https://www.tenable.com/security/tns-2021-18Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan