CVE-2023-27350

Known Exploited Public Exploit

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 SetupCompleted class. The issue results from improper access control. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-18987.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
EPSS 94.26% Top 5%
KEV Since 
Vendor Advisory papercut.com
Affected: PaperCut NG
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-27350?
CVE-2023-27350 has been scored as a critical severity vulnerability.
How to fix CVE-2023-27350?
To fix CVE-2023-27350, 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-2023-27350 being actively exploited in the wild?
It is confirmed that CVE-2023-27350 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27350?
CVE-2023-27350 affects PaperCut NG.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.