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CVE-2023-27351

This vulnerability allows remote attackers to bypass authentication on affected installations of PaperCut NG 22.0.5 (Build 63914). Authentication...

Basic Information

CVE State
PUBLISHED
Reserved Date
February 28, 2023
Published Date
April 20, 2023
Last Updated
April 21, 2026
Vendor
PaperCut
Product
NG
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.
Tags
cisa nuclei_scanner

CVSS Scores

CVSS v3.0

8.2 - HIGH

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2026-06-01 13:22:22 UTC) Source

References

https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 https://www.zerodayinitiative.com/advisories/ZDI-23-232/

Known Exploited Vulnerability Information

Source Added Date
CVE 2026-06-01 13:22:22 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-27351.yaml 2026-06-01 15:34:35 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nuclei