Vulnerability · Published Oct 6, 2023 · Assigned by facebook
CVE-2023-45239
Critical 9.8
In plain English
A critical-severity security flaw in tac_plus from Meta. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)2.3%top 17.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official 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.
Affected products (as reported)
Weakness: CWE-790