CVE-2023-39469CWE-94

PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability

High · published May 3, 2024

Patch now

High probability of exploitation

CVSS calls it high at 7.2. It sits in the 99.2th percentile for exploit probability.

CVSS v3.0
7.2
EPSS
61%
Percentile
99.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
7.2 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.61366 · 99.2th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2024-05-03T01:59Z
EPSS history
Timeline
  • 03 MAY 01:59Z
    PaperCut NG External User Lookup Code Injection Remote Code Execution Vulnerability
    cvelistv5