April 21, 2023 · Applied Cybernetics Group
CVE-2023-27350 — PaperCut MF/NG
known ransomware use
PaperCut MF/NG Improper Access Control Vulnerability
- Added to KEV
2023-04-21- Federal due date
2023-05-12- Vendor
- PaperCut
- Product
- MF/NG
- EPSS
- 100.0th percentile (score 1.000, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1059 , T1105 , T1190 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-27350
CISA short description
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.
Required action
Apply updates per vendor instructions.