CVE-2023-39469

HIGH

PaperCut MF and NG < 22.1.1 - Authenticated Remote Code Execution via External User Lookup

Title source: llm

Description

PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PaperCut NG. Authentication is required to exploit this vulnerability. The specific flaw exists within the External User Lookup functionality. The issue results from the lack of proper validation of a user-supplied string before using it to execute Java code. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-21013.

References (2)

Core 2

Core References

Third Party Advisory x_research-advisory

https://www.zerodayinitiative.com/advisories/ZDI-23-1285/

Vendor Advisory, Related vendor-advisory

https://www.papercut.com/kb/Main/SecurityBulletinJuly2023/

Scores

CVSS v3 7.2

EPSS 0.5809

EPSS Percentile 99.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-94

Status published

Products (2)

papercut/papercut_mf < 22.1.1

papercut/papercut_ng < 22.1.1

Published May 03, 2024

Tracked Since Feb 18, 2026