CVE-2021-29337

Name: CVE-2021-29337
Creator: NVD / NIST
Published: 2021-06-21T12:15:07.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2021-29337 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. MODAPI.sys in MSI Dragon Center 2.0.104.0 allows low-privileged users to access kernel memory and potentially escalate privileges via a crafted IOCTL 0x9c406104 call. This IOCTL provides the MmMapIoSpace feature for mapping physical memory.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

MODAPI.sys in MSI Dragon Center 2.0.104.0 allows low-privileged users to access kernel memory and potentially escalate privileges via a crafted IOCTL 0x9c406104 call. This IOCTL provides the MmMapIoSpace feature for mapping physical memory.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Msi	Dragon Center	2.0.104.0

References

https://github.com/rjt-gupta/CVE-2021-29337Patch, Third Party Advisory
https://github.com/rjt-gupta/CVE-2021-29337Patch, Third Party Advisory

Timeline

Published: Jun 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29337?

How severe is CVE-2021-29337?

CVE-2021-29337 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29337?

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-2021-29337?

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

Scan your code now

Source: NVD / NIST