CVE-2025-2021 HIGH

CVE-2025-2021: Ashlar-Vellum Cobalt XE File Parsing Integer Overflow Remote Code Execution Vulnerability

Vendor Ashlar-Vellum
Product Cobalt
Weakness CWE-190
Published March 11, 2025
Last update March 12, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 11, 2025 CVE published
March 12, 2025 Record updated