Is CVE-2023-38021 in the CISA KEV catalog?

No. CVE-2023-38021 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-38021?

CVE-2023-38021 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2023-38021?

CVE-2023-38021 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-38021?

Upgrade confidential computing manager to 3.32 or later.

CVE & CISA-KEV Catalog

CVE-2023-38021

MEDIUM

5.5

CVSS v3

NVD

Description

An issue was discovered in Fortanix EnclaveOS Confidential Computing Manager (CCM) Platform before 3.32 for Intel SGX. Lack of pointer-alignment validation logic in entry functions allows a local attacker to access unauthorized information. This relates to the enclave_ecall function and system call layer.

How to fix

Remediation Available

confidential computing managerNVD

Affected:< 3.32Fixed in:3.32CVE-2023-38021derived 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 RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Third-Party Advisory5

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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.