CRITICAL CISA KEV

CVE-2023-27350

CVSS v3

9.8

CRITICAL

EPSS Score

94.3%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
4/21/2023
Patch Due Date
5/12/2023
Ransomware Use
Known

Technical details

Published
4/20/2023

Frequently asked questions

What is CVE-2023-27350?

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.

Is CVE-2023-27350 actively exploited?

Yes. CVE-2023-27350 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/12/2023.

What is the CVSS score for CVE-2023-27350?

CVE-2023-27350 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-27350 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.