CVE-2021-30787

moderate-risk

Published 2021-09-08

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to cause unexpected system termination or write kernel memory.

Do I need to act?

0.33% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.8/10 High

LOCAL / LOW complexity

Affected Products (20)

Mac Os X

Affected Vendors

Apple

References (6)

Release Notes https://support.apple.com/en-us/HT212600

Release Notes https://support.apple.com/en-us/HT212602

Release Notes https://support.apple.com/en-us/HT212603

Release Notes https://support.apple.com/en-us/HT212600

Release Notes https://support.apple.com/en-us/HT212602

Release Notes https://support.apple.com/en-us/HT212603

/ 100

moderate-risk

Severity 24/34 · High

Exploitability 1/34 · Minimal

Exposure 23/34 · High