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CVE-2023-45239

Quick assessment

Affected
Meta tac_plus
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Facebook Tacacs+是美国Facebook公司的一个守护进程库。 Facebook Tacacs+ 4fdf178之前版本存在安全漏洞，该漏洞源于缺少输入验证，导致存在远程命令执行漏洞。

AI Predicted 9.8 Difficulty: Easy EPSS 2.24% · P82

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-45239

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook Tacacs+ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook Tacacs+是美国Facebook公司的一个守护进程库。 Facebook Tacacs+ 4fdf178之前版本存在安全漏洞，该漏洞源于缺少输入验证，导致存在远程命令执行漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Meta tac_plus 0 ~ 4fdf178 -

II. Public POCs for CVE-2023-45239

# POC Description Source Link Shenlong Link
1 tac_plus Pre-Auth Remote Command Execution Vulnerability (CVE-2023-45239 & CVE-2023-48643) https://github.com/takeshixx/tac_plus-pre-auth-rce POC Details
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III. Intelligence Information for CVE-2023-45239

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Patches & Fixes for CVE-2023-45239 (1)

Vendor Advisories for CVE-2023-45239 (1)

Mailing List Discussions for CVE-2023-45239 (1)

IV. Related Vulnerabilities

Same vendor: Meta

V. Comments for CVE-2023-45239

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