CVE-2023-27351Used in ransomware
PA
PaperCut NG/MF
PaperCut NG/MF Improper Authentication Vulnerability
What it is
PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
Other PaperCut entries on the list
- NG/MF PaperCut NG/MF Unsafe Reflection Vulnerability CVE-2026-82078 · Aug 31, 2026
- NG/MF PaperCut NG/MF Missing Authentication for Critical Function Vulnerability CVE-2026-81578 · Aug 31, 2026
- NG/MF PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability CVE-2023-2533 · Jul 28, 2025
- MF/NG PaperCut MF/NG Improper Access Control Vulnerability CVE-2023-27350 · Apr 21, 2023