Local privilege escalation through undisclosed executable handling
Published Sep 9, 2021 · Updated Aug 3, 2024
Local privilege escalation in Tenable Nessus Agent 8.3.0 and earlier allows local users with administrator access to run specific executables. Tenable has not published the affected component or the operation that mishandles executable authorization. Exploitation requires an authenticated local administrator and is limited to the vendor-described set of programs on the agent host.
Summary
What happened
Local privilege escalation in Tenable Nessus Agent 8.3.0 and earlier allows local users with administrator access to run specific executables. Tenable has not published the affected component or the operation that mishandles executable authorization. Exploitation requires an authenticated local administrator and is limited to the vendor-described set of programs on the agent host.
The record
- CVE
- CVE-2021-20117
- Published
- Sep 9, 2021
- Updated
- Aug 3, 2024
- Vendor
- Tenable
- Product
- Nessus Agent
- Classifications
- T1548
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Sep 9, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=Nessus Agent 8.3.0 and earlier
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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