CISA-confirmed known exploited vulnerability

CVE-2023-27350

PaperCut MF/NG Improper Access Control Vulnerability

PaperCut · MF/NG

Vulnerability details

PaperCut MF/NG contains an improper access control vulnerability within the SetupCompleted class that allows authentication bypass and code execution in the context of system.

Added to CISA KEV: 2023-04-21

Ransomware campaign use: Known

CISA due date: 2023-05-12

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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