CVE-2023-45239
criticalpriority · attend · 50EPSS 0.023 · 83 %ileexploit · PoCEUUSEPSS · scored 2026-10-27
A lack of input validation exists in tac_plus prior to commit 4fdf178 which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (3)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-45239/cnnvd
- https://github.com/facebook/tac_plus/pull/41cnnvd
- https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/cnnvd
- https://github.com/facebook/tac_plus/pull/41enisa_euvd
- https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3enisa_euvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/enisa_euvd
- https://github.com/facebook/tac_plus/pull/41ExploitPatchnvd
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