How severe is CVE-2023-40222?

CVE-2023-40222 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-40222 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40222?

CVE-2023-40222 affects Ashlar Cobalt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40222?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-40222 have an EU (EUVD) identifier?

Yes. CVE-2023-40222 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-44819.

When was CVE-2023-40222 published?

CVE-2023-40222 was published on 2025-02-04 and last updated on 2026-06-17.

CVE-2023-40222

CVE-2023-40222 is a high-severity vulnerability in Ashlar Cobalt with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.4
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-44819
Weakness: CWE-122
Affected product: Ashlar Cobalt
Published: 2025-02-04
Last modified: 2026-06-17

Description

In Ashlar-Vellum Cobalt versions prior to v12 SP2 Build (1204.200), the affected application lacks proper validation of user-supplied data when parsing CO files. This could lead to a heap-based buffer overflow. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.

Frequently asked questions

What is CVE-2023-40222?: In Ashlar-Vellum Cobalt versions prior to v12 SP2 Build (1204.200), the affected application lacks proper validation of user-supplied data when parsing CO files. This could lead to a heap-based buffer overflow. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.
How severe is CVE-2023-40222?: CVE-2023-40222 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-40222 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40222?: CVE-2023-40222 affects Ashlar Cobalt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40222?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-40222 have an EU (EUVD) identifier?: Yes. CVE-2023-40222 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-44819.
When was CVE-2023-40222 published?: CVE-2023-40222 was published on 2025-02-04 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-299-03

Affected products (1)

cpe:2.3:a:ashlar:cobalt:*:*:*:*:*:*:*:*

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