CVE-2021-30938

HIGHCVSS 7.7/10EPSS 0.33%

Last modified

CVE-2021-30938 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A local user may be able to cause unexpected system termination or read kernel memory.

Metrics

CVSS 3.1
7.7/10

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

EPSS Probability
0.33%

24.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AppleMac Os X>= 10.15, < 10.15.7
AppleMac Os X10.15.7
AppleMacos>= 11.0, < 11.6.2
AppleMacos>= 12.0.0, <= 12.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-30938?
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A local user may be able to cause unexpected system termination or read kernel memory.
How severe is CVE-2021-30938?
CVE-2021-30938 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30938?
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-2021-30938?

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

Scan your code now

Source: NVD / NIST