CVE-2023-27351

HIGH

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.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Published: 4/20/2023Modified: 4/21/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (5)

https://www.papercut.com/kb/Main/PO-1216-and-PO-1219Vendor Advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-23-232/Third Party AdvisoryVDB Entryhttps://www.papercut.com/kb/Main/PO-1216-and-PO-1219Vendor Advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-23-232/Third Party AdvisoryVDB Entryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27351US Government Resource