Security Vulnerabilities - CVEs Published In August 2021
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. An application may be able to execute arbitrary code with kernel privileges.
CVSS Score
7.8
EPSS Score
0.006
Published
2021-08-24
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. An application may be able to execute arbitrary code with kernel privileges.
CVSS Score
7.8
EPSS Score
0.005
Published
2021-08-24
A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A remote attacker may be able to cause unexpected application termination or heap corruption.
CVSS Score
5.9
EPSS Score
0.003
Published
2021-08-24
CVE-2021-30983
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 15.2 and iPadOS 15.2. An application may be able to execute arbitrary code with kernel privileges.
Known exploited
CVSS Score
7.8
EPSS Score
0.007
Published
2021-08-24
A race condition was addressed with improved state handling. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS Score
7.5
EPSS Score
0.008
Published
2021-08-24
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.2 and iPadOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.
CVSS Score
7.8
EPSS Score
0.003
Published
2021-08-24
A device configuration issue was addressed with an updated configuration. This issue is fixed in macOS Monterey 12.1. A device may be passively tracked by its Bluetooth MAC address.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-08-24
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Monterey 12.1. A device may be passively tracked via BSSIDs.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-08-24
Description: A permissions issue was addressed with improved validation. This issue is fixed in iOS 15.2 and iPadOS 15.2. A malicious application may be able to identify what other applications a user has installed.
CVSS Score
5.5
EPSS Score
0.002
Published
2021-08-24
A logic issue was addressed with improved validation. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A malicious application may bypass Gatekeeper checks.
CVSS Score
5.5
EPSS Score
0.002
Published
2021-08-24