vulnerability
PaperCut NG: CVE-2023-27350: Improper Access Control
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Apr 20, 2023 | Apr 22, 2025 | Mar 25, 2026 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Apr 20, 2023
Added
Apr 22, 2025
Modified
Mar 25, 2026
Description
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.
Solution
papercut-ng-upgrade-latest
References
- CWE-284
- CVE-2023-27350
- https://attackerkb.com/topics/CVE-2023-27350
- http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html
- http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html
- https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/
- https://www.papercut.com/kb/Main/PO-1216-and-PO-1219
- https://www.zerodayinitiative.com/advisories/ZDI-23-233/
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-31126
Rapid7 Labs
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