Description: 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.
CVE-2021-1799
Published Date: 2021-04-02T19:15Z
Last Modified: 2023-11-07T03:28Z
CVSS Score: 6.5 (MEDIUM)
EPSS Score: 0.30%
Risk Score: 4.55 (MEDIUM)
Risk Score based on CVSS score and EPSS. This score is for reference purposes and is not internationally recognized.
CVSS:
6.5 |
EPSS:
0.3%
Mitre ATT&CK Technical v15.1
T1583.004 – Server
T1584.004 – Server
T1053.002 – At
Technical Analysis & Mitigation Measures
Reference Links
https://support.apple.com/en-us/HT212146
https://support.apple.com/en-us/HT212152
https://support.apple.com/en-us/HT212149
https://support.apple.com/en-us/HT212147
https://support.apple.com/en-us/HT212148
https://security.gentoo.org/glsa/202104-03
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3L6ZZOU5JS7E3RFYGLP7UFLXCG7TNLU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JN6ZOD62CTO54CHTMJTHVEF6R2Y532TJ/
Vendor - Produce - Version
iphone_os - apple, tvos - apple, watchos - apple, ipad_os - apple, safari - apple, macos - apple, fedora - fedoraproject, fedora - fedoraproject, webkitgtk - webkitgtk
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