CVE-2025-2013: Ashlar-Vellum Cobalt CO File Parsing Use-After-Free Remote Code Execution Vulnerability
Description
Ashlar-Vellum Cobalt CO File Parsing Use-After-Free 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 CO files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25186.
Classification
CVE ID: CVE-2025-2013
CVSS Base Severity: HIGH
CVSS Base Score: 7.8
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Problem Types
CWE-416: Use After FreeAffected Products
Vendor: Ashlar-Vellum
Product: Cobalt
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 10.31% (scored less or equal to compared to others)
EPSS Date: 2025-04-09 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-2013https://www.zerodayinitiative.com/advisories/ZDI-25-120/