cvedb.io
CVE-2021-3409
MEDIUM · CVSS 5.7
EPSS exploitation probability: 0%
Published 2021-03-23T21:15:14.697 · Last modified 2026-06-17T04:05:02.463

Summary

The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.

Affected products

qemu — qemu

Does this affect you?

Add your gear to cvedb and we'll alert you only when qemu ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.