8.2

CVE-2023-27351

Warnung
Medienbericht
This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication is not required to exploit this vulnerability. The specific flaw exists within the SecurityRequestFilter class. The issue results from improper implementation of the authentication algorithm. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-19226.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Papercut ≫ Papercut Mf Version >= 15.0 < 20.1.7
Papercut ≫ Papercut Mf Version >= 21.0.0 < 21.2.11
Papercut ≫ Papercut Mf Version >= 22.0.0 < 22.0.9
Papercut ≫ Papercut Ng Version >= 15.0 < 20.1.7
Papercut ≫ Papercut Ng Version >= 21.0.0 < 21.2.11
Papercut ≫ Papercut Ng Version >= 22.0.0 < 22.0.9

20.04.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

PaperCut NG/MF Improper Authentication Vulnerability

Schwachstelle

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

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 44.75% 0.975
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
zdi-disclosures@trendmicro.com 8.2 3.9 4.2
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.