CVE-2023-39469

PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability

At a glance

Severity: HIGH 7.2
EPSS: EPSS 61.37 % · percentile 99 (2026-10-27)
State: PUBLISHED
Published: 2024-05-03
Updated: 2024-08-02
Assigner: zdi
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.0	HIGH 7.2	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	zdi
CVSS 3.1	HIGH 7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.0	HIGH 7.2	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	NVD · zdi-disclosures@trendmicro.com (Secondary)

Weaknesses (CWE)

CWE-94

European references

ENISA EUVD · EUVD-2023-43192
GCVE · GCVE-0-2023-39469

Affected configurations (NVD CPE)

cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:* < 22.1.1
cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:* < 22.1.1

Affected products

Product	Versions
PaperCut · NG	affected 22.0.12

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD