CVE-2021-30784

moderate-risk

Published 2021-09-08

Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.5. A local attacker may be able to execute code on the Apple T2 Security Chip.

Do I need to act?

0.37% 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/HT212602

Vendor Advisory https://support.apple.com/kb/HT212600

Vendor Advisory https://support.apple.com/kb/HT212603

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

Vendor Advisory https://support.apple.com/kb/HT212600

Vendor Advisory https://support.apple.com/kb/HT212603

/ 100

moderate-risk

Severity 24/34 · High

Exploitability 1/34 · Minimal

Exposure 23/34 · High