Security Vulnerabilities - CVEs Published In April 2021
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution.
CVSS Score
7.8
EPSS Score
0.005
Published
2021-04-02
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.
CVSS Score
9.8
EPSS Score
0.016
Published
2021-04-02
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.
CVSS Score
9.8
EPSS Score
0.016
Published
2021-04-02
An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.
CVSS Score
9.8
EPSS Score
0.016
Published
2021-04-02
The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A local user may be able to read arbitrary files.
CVSS Score
5.5
EPSS Score
0.001
Published
2021-04-02
A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. A malicious website may be able to access restricted ports on arbitrary servers.
CVSS Score
6.5
EPSS Score
0.001
Published
2021-04-02
A path handling issue was addressed with improved validation. This issue is fixed in Xcode 12.4. A malicious application may be able to access arbitrary files on the host device while running an app that uses on-demand resources with Xcode.
CVSS Score
5.5
EPSS Score
0.002
Published
2021-04-02
This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Maliciously crafted web content may violate iframe sandboxing policy.
CVSS Score
6.5
EPSS Score
0.002
Published
2021-04-02
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. A local attacker may be able to elevate their privileges.
CVSS Score
7.8
EPSS Score
0.0
Published
2021-04-02
The issue was addressed with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A local application may be able to enumerate the user's iCloud documents.
CVSS Score
3.3
EPSS Score
0.002
Published
2021-04-02