CVE-2023-39469

7.2 highEPSS 61%

High (7.2) in papercut. EPSS 61% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.2 high

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

EPSS: 61% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2024-05-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

papercut:papercut_mf
papercut:papercut_ng

References

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