CVE-2023-27351CISA KEVEPSS p99.6%

CVE-2023-27351PaperCut NG/MF Improper Authentication Vulnerability

PaperCut / NG/MF

Description

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

Scoring

CVSS 7.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS78.05% probability of exploitation · percentile 99.6% · 2026-10-03T12:00:21Z
Last modified2026-10-01

CISA KEV entry

Added to KEV: 2026-04-20

(incoming)1

TypeTargetConfidenceTier
KEVEntryPaperCut NG/MF Improper Authentication Vulnerabilitykev-cve-2023-273510%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
PaperCut MF/NG Improper Access Control Vulnerability
CVE
PaperCut NG/MF Cross-Site Request Forgery (CSRF) Vulnerability
CVE
CVE-2025-27655
CVE
CVE-2025-27641
CVE
CVE-2025-27666
CVE
CVE-2025-27664
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.