CVE-2025-2021: (0Day) Ashlar-Vellum Cobalt XE File Parsing Integer Overflow Remote Code Execution Vulnerability
First published: Tue Mar 11 2025(Updated: )
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.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ashlar-Vellum Cobalt |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-2021?
CVE-2025-2021 has been classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2025-2021?
To mitigate CVE-2025-2021, ensure you update Ashlar-Vellum Cobalt XE to the latest patched version provided by the vendor.
What are the potential impacts of CVE-2025-2021?
The exploitation of CVE-2025-2021 could lead to arbitrary code execution, which may compromise system integrity and confidentiality.
Does CVE-2025-2021 require user interaction to exploit?
Yes, CVE-2025-2021 requires user interaction to exploit as it involves file parsing by the victim.
What versions of Ashlar-Vellum Cobalt are affected by CVE-2025-2021?
CVE-2025-2021 affects specific versions of Ashlar-Vellum Cobalt XE, particularly those prior to the vendor's security update.
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/weakness
- agent/type
- agent/first-publish-date
- agent/title
- agent/description
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-25-125
- alias/ZDI-CAN-25264
- alias/CVE-2025-2021
- agent/software-canonical-lookup
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/author
- agent/severity
- agent/source
- agent/tags
- agent/event
- vendor/ashlar-vellum
- canonical/ashlar-vellum cobalt