RCE in Papercut Ng
CVE-2023-39469
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.614 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.614 · newest: 0.614 · change: 0.000
Affected products
- Papercut Ng — versions 22.0.12
- Papercut Mf
- Papercut Ng
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-23-1285/ (x_research-advisory, Third Party Advisory)
- www.papercut.com/kb/Main/SecurityBulletinJuly2023/ (vendor-advisory, Related, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-39469?
- CVE-2023-39469 is a high-severity vulnerability in Papercut Ng, classified under Code Injection. CVSS score: 7.2/10. Published 2024-05-03.
- How severe is CVE-2023-39469?
- High severity. CVSS v3 base score is 7.2 out of 10.