CVE-2023-39469 in the critical feed json
PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability
published 2024-05-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43192
- cvss
- 7.2
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 61.4%
- EPSS 61.4% chance of exploitation in 30 days, percentile 99.1%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- papercut papercut_mf 22.1.1
- papercut papercut_ng 22.1.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
61.37% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.2 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- PaperCut NG
- papercut papercut_ng
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
papercut.com
/kb/Main/SecurityBulletinJuly2023/
vendor-advisory, related
-
zerodayinitiative.com
/advisories/ZDI-23-1285/
third-party-advisory
Sources
- CVE List CVE-2023-39469
- NVD CVE-2023-39469
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