CVE Vulnerabilities

CVE-2023-27351

Improper Authentication

Published: Apr 20, 2023 | Modified: May 02, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

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

Affected Software

Name Vendor Start Version End Version
Papercut_mf Papercut 15.0.0 (including) 20.1.7 (excluding)
Papercut_mf Papercut 21.0.0 (including) 21.2.11 (excluding)
Papercut_mf Papercut 22.0.0 (including) 22.0.9 (excluding)
Papercut_ng Papercut 15.0.0 (including) 20.1.7 (excluding)
Papercut_ng Papercut 21.0.0 (including) 21.2.11 (excluding)
Papercut_ng Papercut 22.0.0 (including) 22.0.9 (excluding)

Potential Mitigations

References