CVE-2021-30657
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..
Published:Sep 8, 2021
Last Modified:Oct 23, 2025
EPS:Sep 8, 2021
EPSS Score:0.77641
CVSS Score:5.5
CISA Notification
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..
Required Action:
Apply updates per vendor instructions.
Notes:
No extra notes provided.
Due Date
Nov 17, 2021
1759 days ago
Alert Date
Nov 3, 2021
1773 days ago
Affected Products
Vendor
Product
Action
Vendor
Apple
Product
Mac Os X
Apple
Mac Os X
Vendor
Apple
Product
Macos
Apple
Macos
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
