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CVE-2023-45239
A lack of input validation exists in tac_plus prior to commit 4fdf178 which, when pre or post auth commands are enabled, allows an…
Critical9.8EPSS 2.3%
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- Updated
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- Assigned by
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- CWE-790: Improper Filtering of Special Elements
- CWE-790 Improper Filtering of Special Elements (opens in a new tab)All about CWE-790 and its CVEs
Affected products
References (3)
- https://github.com/facebook/tac_plus/pull/41 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/ (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-45239)Record last updated .