CVE-2021-30678

high-risk

Published 2021-09-08

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.

Do I need to act?

2.5% chance of exploitation in next 30 days

EPSS score — moderate 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 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (20)

Mac Os X

Affected Vendors

Apple

References (6)

Vendor Advisory https://support.apple.com/en-us/HT212529

Vendor Advisory https://support.apple.com/en-us/HT212530

Vendor Advisory https://support.apple.com/en-us/HT212531

Vendor Advisory https://support.apple.com/en-us/HT212529

Vendor Advisory https://support.apple.com/en-us/HT212530

Vendor Advisory https://support.apple.com/en-us/HT212531

/ 100

high-risk

Severity 32/34 · Critical

Exploitability 6/34 · Minimal

Exposure 22/34 · High