A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.
Max CVSS
7.8
EPSS Score
0.04%
Published
2021-10-19
Updated
2021-10-22
This issue was addressed with improved checks. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local user may be able to read arbitrary files as root.
Max CVSS
5.5
EPSS Score
0.04%
Published
2021-10-19
Updated
2022-07-12
A URI parsing issue was addressed with improved parsing. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local user may be able to execute arbitrary files.
Max CVSS
7.8
EPSS Score
0.05%
Published
2021-10-19
Updated
2022-05-03
A memory corruption issue was addressed with improved memory handling. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Max CVSS
9.3
EPSS Score
0.08%
Published
2021-10-19
Updated
2021-10-22
A memory corruption issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.
Max CVSS
7.8
EPSS Score
0.05%
Published
2021-10-19
Updated
2022-02-22
This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Max CVSS
7.8
EPSS Score
0.12%
Published
2021-10-19
Updated
2021-11-05
This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Max CVSS
7.8
EPSS Score
0.12%
Published
2021-10-19
Updated
2021-11-05
This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Max CVSS
7.8
EPSS Score
0.12%
Published
2021-10-19
Updated
2021-11-05
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.
Max CVSS
7.5
EPSS Score
0.19%
Published
2021-10-19
Updated
2022-10-11
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6. A local user may be able to read kernel memory.
Max CVSS
5.5
EPSS Score
0.04%
Published
2021-10-19
Updated
2021-10-22
This issue was addressed with improved checks. This issue is fixed in watchOS 8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, iTunes 12.12 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.
Max CVSS
7.8
EPSS Score
0.11%
Published
2021-10-19
Updated
2021-11-30
An access issue was addressed with improved access restrictions. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6, tvOS 15. A user may gain access to protected parts of the file system.
Max CVSS
7.1
EPSS Score
0.06%
Published
2021-10-19
Updated
2022-07-12
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.6. A malicious application may bypass Gatekeeper checks.
Max CVSS
5.5
EPSS Score
0.05%
Published
2021-08-24
Updated
2021-11-01
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files.
Max CVSS
5.5
EPSS Score
0.08%
Published
2021-08-24
Updated
2023-01-09
A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. A malicious application may be able to execute arbitrary code with kernel privileges.
Max CVSS
7.6
EPSS Score
0.12%
Published
2021-08-24
Updated
2023-01-09

CVE-2021-30858

Known exploited
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Max CVSS
8.8
EPSS Score
0.83%
Published
2021-08-24
Updated
2021-12-03
CISA KEV Added
2021-11-03
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.
Max CVSS
9.3
EPSS Score
0.10%
Published
2021-08-24
Updated
2023-01-09

CVE-2021-30860

Known exploited
An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Max CVSS
7.8
EPSS Score
0.18%
Published
2021-08-24
Updated
2024-02-02
CISA KEV Added
2021-11-03
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.6, Security Update 2021-005 Catalina. A malicious application may be able to execute arbitrary code with kernel privileges.
Max CVSS
9.3
EPSS Score
0.08%
Published
2021-08-24
Updated
2021-11-01
The issue was addressed with improved permissions logic. This issue is fixed in watchOS 8, macOS Big Sur 11.6, iOS 15 and iPadOS 15. A malicious application may be able to bypass Privacy preferences.
Max CVSS
9.1
EPSS Score
0.14%
Published
2021-08-24
Updated
2022-03-25
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