CVE-2021-38479

Name: CVE-2021-38479
Creator: NVD / NIST
Published: 2021-10-22T12:15:08.947+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2021-38479 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.85%

53.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Auvesy	Versiondog	< 8.0.0

References

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

Timeline

Published: Oct 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38479?

How severe is CVE-2021-38479?

CVE-2021-38479 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38479?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38479?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST