by Kastro
Paper/Archive/CVE-2023-27350

CVE-2023-27350

PaperCut NG — PaperCut MF/NG Improper Access Control Vulnerability

KEV · due 12 Mayransomware useEPSS 100%public exploitSSVC actCVSS 9.8
critical.is priorityof 100
99
CVSS 9.8 (CNA)9.8 / 10 × 3029.4In CISA KEV+3030.0EPSS percentile 100.01.000 × 2020.0Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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

ProductAffectedFixed inSource
NG22.0.5 (Build 63914)–CNA

Scores by source

zdi (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: yes · Technical impact: total

References

refzerodayinitiative.com/advisories/ZDI-23-233refpapercut.com/kb/Main/PO-1216-and-PO-1219refpacketstormsecurity.com/files/171982/PaperCut-MF-NG-Authentication-Bypass-Remote-Code-Execution.htmlrefpacketstormsecurity.com/files/172022/PaperCut-NG-MG-22.0.4-Authentication-Bypass.htmlrefnews.sophos.com/en-us/2023/04/27/increased-exploitation-of-papercut-drawing-blood-around-the-internetrefpacketstormsecurity.com/files/172512/PaperCut-NG-MG-22.0.4-Remote-Code-Execution.htmlrefpacketstormsecurity.com/files/172780/PaperCut-PaperCutNG-Authentication-Bypass.htmlrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27350kevcisa.gov/known-exploited-vulnerabilities-catalog