CVE-2021-38451

Name: CVE-2021-38451
Creator: NVD / NIST
Published: 2021-10-22T12:15:08.13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.7/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2021-38451 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. The affected product’s proprietary protocol CSC allows for calling numerous function codes. In order to call those function codes, the user must supply parameters. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

The affected product’s proprietary protocol CSC allows for calling numerous function codes. In order to call those function codes, the user must supply parameters. There is no sanitation on the value of the offset, which allows the client to specify any offset and read out-of-bounds data.

Metrics

CVSS 3.1

5.7/10

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

EPSS Probability

0.64%

45.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

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-2021-38451?

How severe is CVE-2021-38451?

CVE-2021-38451 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38451?

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-2021-38451?

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

Scan your code now

Source: NVD / NIST