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CVE-2021-30657

Known Exploited (CISA KEV)MEDIUM

5.5

CVSS Severity Score

EPSS Score35.4850%

EPSS Percentile93.76th

PublishedSep 8, 2021

Last ModifiedOct 23, 2025

Vulnerability Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina. A malicious application may bypass Gatekeeper checks. Apple is aware of a report that this issue may have been actively exploited..

Affected Platforms (CPE)

💻

Apple

Mac Os X

>= 10.15 and <= 10.15.5

💻

Apple

Mac Os X

= 10.15.6

💻

Apple

Mac Os X

= 10.15.6

💻

Apple

Mac Os X

= 10.15.7

💻

Apple

Mac Os X

= 10.15.7

💻

Apple

Mac Os X

= 10.15.7

💻

Apple

Mac Os X

= 10.15.7

💻

Apple

Mac Os X

= 10.15.7

💻

Apple

Mac Os X

= 10.15.7

💻

Apple

Macos

>= 11.0 and < 11.3

References & Advisories

🔗 https://support.apple.com/en-us/HT212325

🔗 https://support.apple.com/en-us/HT212326

🔗 https://support.apple.com/en-us/HT212325

🔗 https://support.apple.com/en-us/HT212326

🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30657

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