CVE-2023-27351PaperCut NG/MF Improper Authentication Vulnerability
Explotación conocida — PaperCut NG/MF Improper Authentication Vulnerability
CISA confirmó el 20.04.2026 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 04.05.2026.
Acción requerida: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 ; https://nvd.nist.gov/vuln/detail/CVE-2023-27351
Descripción
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.
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| PaperCut | NG | 22.0.5 (Build 63914) | |
| papercut | papercut mf | 15.0 – < 20.1.7 | |
| papercut | papercut ng | 15.0 – < 20.1.7 |
Referencias y parches
- https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-232/ Third Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27351 US Government Resource
Coincidencias CPE (NVD) (6)
cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*≥ 15.0 < 20.1.7cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*≥ 21.0.0 < 21.2.11cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*≥ 22.0.0 < 22.0.9cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*≥ 15.0 < 20.1.7cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*≥ 21.0.0 < 21.2.11cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*≥ 22.0.0 < 22.0.9