CVE-2021-29337 json
MODAPI.sys in MSI Dragon Center 2.0.104.0 allows low-privileged users to access kernel memory and potentially escalate privileges via a cra…
published 2021-06-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15973
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- github.com/rjt-gupta/CVE-2021-29337 advisory
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
References
-
github.com
/rjt-gupta/CVE-2021-29337
patch, third-party-advisory
Sources
- CVE List CVE-2021-29337
- NVD CVE-2021-29337
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.