What is CVE-2021-30931?

CVE-2021-30931 is a medium-severity vulnerability in Apple macOS. CVSS score: 5.5/10. Published 2021-08-24.

How severe is CVE-2021-30931?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple macOS

CVE-2021-30931

A logic issue was addressed with improved validation. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. A malicious application may be able to disclose kernel memory.

EPSS: 0.009 (55.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos — versions unspecified
Apple Mac_os_x — versions 10.15.7

References

product-security@apple.com (x_refsource_MISC)
product-security@apple.com (x_refsource_MISC)
product-security@apple.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30931?: CVE-2021-30931 is a medium-severity vulnerability in Apple macOS. CVSS score: 5.5/10. Published 2021-08-24.
How severe is CVE-2021-30931?: Medium severity. CVSS v3 base score is 5.5 out of 10.