VULNERABILITY INTELLIGENCE
CVE-2023-27351
CVSS score7.5 HIGH
EPSS probability78.05%
CISA KEVKnown exploited vulnerability
Published2023-04-20
Last modified2026-10-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Known Exploited Vulnerability
PaperCut NG/MF Improper Authentication Vulnerability
Vendor / product: PaperCut / NG/MF
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.
Weakness classification
- zdi-disclosures@trendmicro.com: CWE-287
Primary references
- zdi-disclosures@trendmicro.com — Vendor Advisory
- zdi-disclosures@trendmicro.com — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource