CVE-2021-1789
Apple Multiple Products Type Confusion Vulnerability
8.8
HIGH
CVSS 3.1
⚠ KEVEPSS 0.24%
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.
How to fix CVE-2021-1789
To remediate CVE-2021-1789, upgrade the affected package to a fixed version below.
- —upgrade to 2.30.6-1 or later
- —upgrade to 2.30.6-1 or later
Is CVE-2021-1789 being exploited?
Yes — CVE-2021-1789 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (2)
- from 0, < 2.30.6-1
- from 0, < 2.30.6-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |