CVE-2023-45239
9.8 · CRITICALOverview
CVE-2023-45239 is a critical-severity vulnerability affecting facebook tac_plus. It was published on October 6, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from facebook. Update tac_plus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| tac_plus | >= 0, < 2023-10-05 | Affected |
References
Frequently Asked Questions
What is CVE-2023-45239?
CVE-2023-45239 is a critical-severity vulnerability affecting facebook tac_plus. It was published on October 6, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2023-45239?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-45239?
Check the references section for vendor advisories and patches from facebook. Update tac_plus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-45239?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-45239 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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