How severe is CVE-2021-38463?

CVE-2021-38463 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-38463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38463?

CVE-2021-38463 affects Auvesy Versiondog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38463?

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.

When was CVE-2021-38463 published?

CVE-2021-38463 was published on 2021-10-22 and last updated on 2026-06-17.

CVE-2021-38463

CVE-2021-38463 is a high-severity vulnerability in Auvesy Versiondog with a CVSS 3.x base score of 7.3. 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 5.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Auvesy Versiondog
Published: 2021-10-22
Last modified: 2026-06-17

Description

The affected product does not properly control the allocation of resources. A user may be able to allocate unlimited memory buffers using API functions.

Frequently asked questions

What is CVE-2021-38463?: The affected product does not properly control the allocation of resources. A user may be able to allocate unlimited memory buffers using API functions.
How severe is CVE-2021-38463?: CVE-2021-38463 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-38463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38463?: CVE-2021-38463 affects Auvesy Versiondog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38463?: 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.
When was CVE-2021-38463 published?: CVE-2021-38463 was published on 2021-10-22 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01

Affected products (1)

cpe:2.3:a:auvesy:versiondog:*:*:*:*:*:*:*:*

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