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CVE-2023-27350

Published: Apr 20, 2023Updated: Oct 27, 2025 Sources: CVE List NVD BDUCWE-284
9.8CRITICAL
NVD MITRE
EPSS Score
100.0%
Top 0.0%
CISA KEV
Active Exploitation
Since Apr 21, 2023
Exploits
4 Known
Remediation
Patch Available
Self-Check
Nuclei · OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-284NVD-CWE-Other

Affected Products

PaperCut
commercial·USaka paper cut
NGOn-premSecurity Product
Security Products / vuln-mgmt-scanner
papercut mfOn-premDesktop App
Security Products / vuln-mgmt-scanner
papercut ngOn-premDesktop App
Security Products / vuln-mgmt-scanner
PaperCut Software International Pty Ltd
commercial
PaperCut NGOn-prem
Enterprise Software / itsm-monitoring
PaperCut MFOn-prem
Enterprise Software / itsm-monitoring

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Apr 21, 2023
Remediation due:May 12, 2023
Ransomware:Known ransomware use

Required action: Apply updates per vendor instructions.

4 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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References

https://www.zerodayinitiative.com/advisories/ZDI-23-233/
zerodayinitiative.com
https://www.papercut.com/kb/Main/PO-1216-and-PO-1219
papercut.com
http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html
packetstormsecurity.com
and 7 more references View all →

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