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critical9.8Known exploitedPublic exploit code

CVE-2023-27350

PaperCut MF/NG Improper Access Control Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-04-21. Federal due date: 2023-05-12.

Apply updates per vendor instructions.

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

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.

Affected products

VendorProductAffected versions
PapercutPapercut Mf
from 8.0 before 20.1.7
from 21.0.0 before 21.2.11
from 22.0.0 before 22.0.9
PapercutPapercut Ng
from 8.0 before 20.1.7
from 21.0.0 before 21.2.11
from 22.0.0 before 22.0.9

Weakness classification

CWE-284

References