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CVE-2021-27965

CRITICALCVSS 9.8/10EPSS 11.84%

Last modified

CVE-2021-27965 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request.. EPSS estimates a 11.84% chance of exploitation in the next 30 days.

Description

The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
11.84%

95.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MsiDragon Center< 2.0.98.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-27965?
The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request.
How severe is CVE-2021-27965?
CVE-2021-27965 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 11.84% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27965?
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-2021-27965?

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

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Source: NVD / NIST