What’s Vulnerable › Vulnerabilities

CVE-2023-47250

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-22 · updated 2026-06-17
• Weakness: CWE-276

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.

Affected products

• M-Privacy Mprivacy-Tools: before 4.0.406g — fixed in 4.0.406g
• M-Privacy Rsbac-Policy-Tgpro: before 2.0.159 — fixed in 2.0.159
• M-Privacy Tightgatevnc: before 4.1.2-1 — fixed in 4.1.2-1

How to fix

Upgrade to a fixed version: M-Privacy Mprivacy-Tools 4.0.406g; M-Privacy Rsbac-Policy-Tgpro 2.0.159; M-Privacy Tightgatevnc 4.1.2-1. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/175949/m-privacy-TightGate-Pro-Code-Execution-Insecure-Permissions.html
• http://seclists.org/fulldisclosure/2023/Nov/13
• https://sec-consult.com/en/vulnerability-lab/advisories/index.html
• https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-m-privacy-tightgate-pro/
• https://www.m-privacy.de/en/tightgate-pro-safe-surfing/
• http://packetstormsecurity.com/files/175949/m-privacy-TightGate-Pro-Code-Execution-Insecure-Permissions.html
• http://seclists.org/fulldisclosure/2023/Nov/13
• https://sec-consult.com/en/vulnerability-lab/advisories/index.html
• https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-in-m-privacy-tightgate-pro/
• https://www.m-privacy.de/en/tightgate-pro-safe-surfing/

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