CVE-2023-27351

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
EPSS 2.24% Top 20%
Vendor Advisory papercut.com
Affected: PaperCut NG
Published at:
Updated at:

References

Link Tags
https://www.papercut.com/kb/Main/PO-1216-and-PO-1219 vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-232/ third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2023-27351?
CVE-2023-27351 has been scored as a high severity vulnerability.
How to fix CVE-2023-27351?
To fix CVE-2023-27351, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27351 being actively exploited in the wild?
It is possible that CVE-2023-27351 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27351?
CVE-2023-27351 affects PaperCut NG.
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