critical
CISA KEV
Ransomware
CVE-2023-27351
PaperCut NG/MF Improper Authentication Vulnerability
Description
PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal remediation due May 4, 2026 — past due
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