How severe is CVE-2021-29337?

CVE-2021-29337 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-29337 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29337?

CVE-2021-29337 affects Msi Dragon Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29337?

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-2021-29337 published?

CVE-2021-29337 was published on 2021-06-21 and last updated on 2026-06-17.

CVE-2021-29337

CVE-2021-29337 is a high-severity vulnerability in Msi Dragon Center with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Msi Dragon Center
Published: 2021-06-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-29337?: 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.
How severe is CVE-2021-29337?: CVE-2021-29337 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29337 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29337?: CVE-2021-29337 affects Msi Dragon Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29337?: 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-2021-29337 published?: CVE-2021-29337 was published on 2021-06-21 and last updated on 2026-06-17.

References

https://github.com/rjt-gupta/CVE-2021-29337

Affected products (1)

cpe:2.3:a:msi:dragon_center:2.0.104.0:*:*:*:*:*:*:*

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