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CVE Vulnerability Details :

CVE-2023-27350

PUBLISHED

More Info Official Page

Assigner-zdi

Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e

View Known Exploited Vulnerability (KEV) details

Published At-20 Apr, 2023 | 00:00

Updated At-21 Oct, 2025 | 23:05

▼CVE Numbering Authority (CNA)

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

Vendor

PaperCut Software Pty Ltd

Product

Versions

Affected

22.0.5 (Build 63914)

Problem Types

Type	CWE ID	Description
CWE	CWE-284	CWE-284: Improper Access Control

Type: CWE

CWE ID: CWE-284

Description: CWE-284: Improper Access Control

Metrics

Version	Base score	Base severity	Vector
3.0	9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Version: 3.0

Base score: 9.8

Base severity: CRITICAL

Vector:

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Credits

Anonymous

References

Hyperlink	Resource
https://www.zerodayinitiative.com/advisories/ZDI-23-233/	N/A
https://www.papercut.com/kb/Main/PO-1216-and-PO-1219	N/A
http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html	N/A
http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html	N/A
https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/	N/A
http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html	N/A
http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html	N/A

Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-23-233/

Resource: N/A

Hyperlink: https://www.papercut.com/kb/Main/PO-1216-and-PO-1219

Resource: N/A

Hyperlink: http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html

Resource: N/A

Hyperlink: http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html

Resource: N/A

Hyperlink: https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/

Resource: N/A

Hyperlink: http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html

Resource: N/A

Hyperlink: http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html

Resource: N/A

▼Authorized Data Publishers (ADP)

1. CVE Program Container

References

Hyperlink	Resource
https://www.zerodayinitiative.com/advisories/ZDI-23-233/	x_transferred
https://www.papercut.com/kb/Main/PO-1216-and-PO-1219	x_transferred
http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html	x_transferred
http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html	x_transferred
https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/	x_transferred
http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html	x_transferred
http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html	x_transferred

Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-23-233/

Resource:

x_transferred

Hyperlink: https://www.papercut.com/kb/Main/PO-1216-and-PO-1219

Resource:

x_transferred

Hyperlink: http://packetstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.html

Resource:

x_transferred

Hyperlink: http://packetstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.html

Resource:

x_transferred

Hyperlink: https://news.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internet/

Resource:

x_transferred

Hyperlink: http://packetstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.html

Resource:

x_transferred

Hyperlink: http://packetstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.html

Resource:

x_transferred

2. CISA ADP Vulnrichment

Metrics Other Info

kev

dateAdded:

2023-04-21

reference:

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350

Timeline

Event	Date
CVE-2023-27350 added to CISA KEV	2023-04-21 00:00:00

Event: CVE-2023-27350 added to CISA KEV

Date: 2023-04-21 00:00:00

References

Hyperlink	Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350	government-resource

Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350

Resource:

government-resource

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

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Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

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Solutions

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Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References