Is CVE-2021-27965 in the CISA KEV catalog?

No. CVE-2021-27965 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27965?

CVE-2021-27965 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-27965?

CVE-2021-27965 has an EPSS score of 11.84% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2021-27965

CRITICALEPSS 96th pctl

9.8

CVSS v3

NVD

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.

CWE-120

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

11.84%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.