CVE-2021-30844

moderate-risk

Published 2021-10-19

A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.

Do I need to act?

0.57% 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 7.5/10 High

NETWORK / LOW complexity

Affected Products (12)

Mac Os X

Macos

Affected Vendors

Apple

References (8)

Release Notes https://support.apple.com/en-us/HT212804

Release Notes https://support.apple.com/en-us/HT212805

Vendor Advisory https://support.apple.com/kb/HT212871

Vendor Advisory https://support.apple.com/kb/HT212872

Release Notes https://support.apple.com/en-us/HT212804

Release Notes https://support.apple.com/en-us/HT212805

Vendor Advisory https://support.apple.com/kb/HT212871

Vendor Advisory https://support.apple.com/kb/HT212872

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 2/34 · Minimal

Exposure 17/34 · Moderate