CVE-2025-2021CWE-190

Ashlar-Vellum Cobalt XE File Parsing Integer Overflow Remote Code Execution Vulnerability

High · published March 11, 2025

CVSS v3.0
7.8
EPSS
0%
Percentile
17.9
In the wild
Unconfirmed
What it is

Ashlar-Vellum Cobalt XE File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of XE files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25264.

The record
Technical detail
CVSS v3.0
7.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00268 · 17.9th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2025-03-11T20:43Z
EPSS history
Timeline
  • 11 MAR 20:43Z
    Ashlar-Vellum Cobalt XE File Parsing Integer Overflow Remote Code Execution Vulnerability
    cvelistv5