CVE-2023-27351
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.
Explotada activamente
- En el catálogo CISA de vulnerabilidades explotadas desde el 20 abr 2026
- Las agencias federales de EE. UU. deben corregirla antes del 4 may 2026 (BOD 22-01)
- Primer ataque observado 7 días después de la divulgación
- Confirmada por sensores, no solo por informes
- Utilizada en campañas de ransomware
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Fuente: CISA KEV · 25 ago 2026 22 ago 2026 19 ago 2026 18 ago 2026 16 ago 2026 14 ago 2026
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NProductos afectados
| Fabricantes | Prodotto | Versioni |
|---|---|---|
| papercut | papercut mf | < 20.1.7 |
| papercut | papercut ng | < 20.1.7 |
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