Description
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.
Published: 2023-04-20
Score: 7.5 High
EPSS: 87.7% High
KEV: Yes
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-31127 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.
History

Mon, 20 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 20 Apr 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-04-20T00:00:00+00:00', 'dueDate': '2026-05-04T00:00:00+00:00'}


Wed, 05 Feb 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Papercut Papercut Mf Papercut Ng
cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2026-04-21T03:55:37.286Z

Reserved: 2023-02-28T00:00:00.000Z

Link: CVE-2023-27351

cve-icon Vulnrichment

Updated: 2024-08-02T12:09:43.371Z

cve-icon NVD

Status : Analyzed

Published: 2023-04-20T16:15:07.723

Modified: 2026-04-21T12:48:26.657

Link: CVE-2023-27351

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses