Description
In mprivacy-tools before 2.0.406g in m-privacy TightGate-Pro Server, broken Access Control on X11 server sockets allows authenticated attackers (with access to a VNC session) to access the X11 desktops of other users by specifying their DISPLAY ID. This allows complete control of their desktop, including the ability to inject keystrokes and perform a keylogging attack.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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christinasm1th/CVE-2023-47250-break-fix ★ 0 · Oct 21, 2026
Controlled break-fix demo and Bash automation for CVE-2023-47250, an X11 session access-control vulnerability (Kali Linux).
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://sec-consult.com/en/vulnerability-lab/advisories/index.html
- https://www.m-privacy.de/en/tightgate-pro-safe-surfing/
- https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-m-privacy-tightgate-pro/
- 20231127 SEC Consult SA-20231122 :: Multiple Vulnerabilities in m-privacy TightGate-Pro mailing-list
- http://packetstormsecurity.com/files/175949/m-privacy-TightGate-Pro-Code-Execution-Insecure-Permissions.html