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CVE-2023-27350PaperCut MF/NG Improper Access Control Vulnerability
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.
9.8 CRITICALEPSS 99.99%⚡ Known Exploited (CISA KEV)NVD: Published
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.8 | CRITICAL | 3.0zdi (CNA) | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2023-27350
- Status
- Published
- Assigner (CNA)
- zdi
- Published
- Apr 20, 2023
- Last modified
- 2025-10-21 23:05 UTC
- Weaknesses
- CWE-284 · Improper Access Control
Affected Products
As published by the CNA in the CVE record.
PaperCutNG1 version range
- 22.0.5 (Build 63914)
References
- zerodayinitiative.com https://www.zerodayinitiative.com/advisories/ZDI-23-233/
- papercut.com https://www.papercut.com/kb/Main/PO-1216-and-PO-1219
- packetstormsecurity.com http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html
- packetstormsecurity.com http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html
- news.sophos.com https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/
- packetstormsecurity.com http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html
- packetstormsecurity.com http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html
Sources
- NVD (unavailable at last refresh)
- CVE.org
- CISA KEV
- FIRST EPSS