CVE-2023-27351

CISA KEV RANSOMWARE

ACT NOW Priority: 0.00 BB Relevance: 10/100

Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

PaperCut NG/MF contains an improper authentication vulnerability that could allow remote attackers to bypass authentication on affected installations via the SecurityRequestFilter class.

CISA Known Exploited Vulnerability

Vendor / Product PaperCut — NG/MF

Date Added 2026-04-20

Remediation Due 2026-05-04

Ransomware Use CONFIRMED

https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 ; https://nvd.nist.gov/vuln/detail/CVE-2023-27351

Weakness Classification (1)

CWE-287

Affected Software (6)

Vendor	Product	Version
papercut	papercut_mf	15.0 – 20.1.7
papercut	papercut_mf	21.0.0 – 21.2.11
papercut	papercut_mf	22.0.0 – 22.0.9
papercut	papercut_ng	15.0 – 20.1.7
papercut	papercut_ng	21.0.0 – 21.2.11
papercut	papercut_ng	22.0.0 – 22.0.9