Buffer overflow in Ashlar Cobalt
CVE-2023-39943
In Ashlar-Vellum Cobalt versions prior to v12 SP2 Build (1204.200), the affected application lacks proper validation of user-supplied data when parsing XE files. This could lead to an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (10.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Ashlar Cobalt
- Ashlar-Vellum Argon — versions 0
- Ashlar-Vellum Cobalt — versions 0
- Ashlar-Vellum Cobalt Share — versions 0
- Ashlar-Vellum Lithium — versions 0
- Ashlar-Vellum Xenon — versions 0
Weakness classification (CWE)
References
- www.cisa.gov/news-events/ics-advisories/icsa-23-299-03 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-39943?
- CVE-2023-39943 is a high-severity vulnerability in Ashlar Cobalt, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2025-02-04.
- How severe is CVE-2023-39943?
- High severity. CVSS v3 base score is 7.8 out of 10.