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)

EPSS: 0.614 (99.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.