AEGLIX vulnerability intelligence
CVE-2023-27350
CRITICAL · CVSS 9.8 · Analyzed
Published: 2023-04-20 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-284, NVD-CWE-Other
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- PaperCut · MF/NG
- Added to catalog
- 2023-04-21
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2023-05-12
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*
From (inclusive): 8.0
Before (exclusive): 20.1.7
cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*
From (inclusive): 21.0.0
Before (exclusive): 21.2.11
cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:*
From (inclusive): 22.0.0
Before (exclusive): 22.0.9
cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*
From (inclusive): 8.0
Before (exclusive): 20.1.7
cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*
From (inclusive): 21.0.0
Before (exclusive): 21.2.11
cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:*
From (inclusive): 22.0.0
Before (exclusive): 22.0.9
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html
Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html
Exploit · Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html
Exploit · Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html
Exploit · Third Party Advisory · VDB Entry
- https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/
Third Party Advisory
- https://www.papercut.com/kb/Main/PO-1216-and-PO-1219
Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-233/
Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html
Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html
Exploit · Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html
Exploit · Third Party Advisory · VDB Entry
- http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html
Exploit · Third Party Advisory · VDB Entry
- https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/
Third Party Advisory
- https://www.papercut.com/kb/Main/PO-1216-and-PO-1219
Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-233/
Third Party Advisory · VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350
US Government Resource