CVE-2021-1789
A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina,...
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- December 08, 2020
- Published Date
- April 02, 2021
- Last Updated
- January 29, 2025
- Vendor
- Apple
- Product
- iOS and iPadOS, macOS
- Description
- A type confusion issue was addressed with improved state handling. 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. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS Scores
CVSS v3.1
8.8 - HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC Information
- Exploitation
- active
- Technical Impact
- total
Exploit Status
- Exploited in the Wild
- Yes (added 2022-05-04 00:00:00 UTC) Source
References
https://support.apple.com/en-us/HT212147
https://support.apple.com/en-us/HT212146
https://support.apple.com/en-us/HT212148
https://support.apple.com/en-us/HT212149
https://support.apple.com/en-us/HT212152
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/
https://security.gentoo.org/glsa/202104-03
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CISA | 2022-05-04 00:00:00 UTC |