Live › vulnerability › CVE-2023-27350
Go to dashboardPaperCut MF/NG print management servers have an improper access control flaw in the SetupCompleted class. An unauthenticated attacker can bypass authentication and run code as the SYSTEM account.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| PaperCut MF/NG | vendor | – | – |
| PaperCut MF/NG | vendor | >= 8.0.0, <= 19.2.7; >= 20.0.0, <= 20.1.6; >= 21.0.0, <= 21.2.10; >= 22.0.0, <= 22.0.8 | 20.1.7, 21.2.11, 22.0.9 |
| papercut mf | vendor | >= 8.0, < 20.1.7 | 20.1.7 |
| papercut mf | vendor | >= 21.0.0, < 21.2.11 | 21.2.11 |
| papercut mf | vendor | >= 22.0.0, < 22.0.9 | 22.0.9 |
| papercut ng | vendor | >= 8.0, < 20.1.7 | 20.1.7 |
| papercut ng | vendor | >= 21.0.0, < 21.2.11 | 21.2.11 |
| papercut ng | vendor | >= 22.0.0, < 22.0.9 | 22.0.9 |
8.0.0-19.2.7, 20.0.0-20.1.6, 21.0.0-21.2.10 or 22.0.0-22.0.8 (Application and Site Servers)SetupCompleted lines (server/logs/server.log, debug mode only) outside install or upgrade times, and for [setup-wizard] config-key changes20.1.7, 21.2.11 or 22.0.9 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
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