Is CVE-2021-33767 in the CISA KEV catalog?

No. CVE-2021-33767 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-33767?

CVE-2021-33767 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2021-33767?

CVE-2021-33767 has an EPSS score of 0.79% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-33767?

Upgrade open enclave software development kit to 0.17.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-33767

HIGH

8.2

CVSS v3

NVD

Description

Open Enclave SDK Elevation of Privilege Vulnerability

How to fix

Remediation Available

open enclave software development kitNVD

Affected:< 0.17.1Fixed in:0.17.1CVE-2021-33767derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.79%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Patch1

portal.msrc.microsoft.com

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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.