CVE-2023-27350

This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987.

• CWE-284

• http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
• https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/Third Party Advisory
• https://www.papercut.com/kb/Main/PO-1216-and-PO-1219Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-23-233/Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
• https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/Third Party Advisory
• https://www.papercut.com/kb/Main/PO-1216-and-PO-1219Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-23-233/Third Party Advisory, VDB Entry
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350US Government Resource

Published

Apr 20, 2023

Last Modified

Jun 17, 2026

Status

Analyzed

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