What’s Vulnerable › Vulnerabilities

CVE-2023-47251

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-22 · updated 2026-06-17
• Weakness: CWE-22

Description

In mprivacy-tools before 2.0.406g in m-privacy TightGate-Pro Server, a Directory Traversal in the print function of the VNC service allows authenticated attackers (with access to a VNC session) to automatically transfer malicious PDF documents by moving them into the .spool directory, and then sending a signal to the VNC service, which automatically transfers them to the connected VNC client's filesystem.

Affected products

• M-Privacy Mprivacy-Tools: before 2.0.406g — fixed in 2.0.406g
• 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 2.0.406g; 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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