What is CVE-2021-38479?

CVE-2021-38479 is a medium-severity vulnerability in Auvesy Versiondog, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-10-22.

How severe is CVE-2021-38479?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Auvesy Versiondog

CVE-2021-38479

Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions. An attacker can manipulate API functions by writing arbitrary data into the resolved address of a raw pointer.

Vulnerability class: Buffer Overflow

Published 2021-10-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Auvesy Versiondog — versions All

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

us-cert.cisa.gov/ics/advisories/icsa-21-292-01 (US Government Resource, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-38479?: CVE-2021-38479 is a medium-severity vulnerability in Auvesy Versiondog, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-10-22.
How severe is CVE-2021-38479?: Medium severity. CVSS v3 base score is 6.5 out of 10.