May 4, 2022 · Applied Cybernetics Group
CVE-2021-1789 — Apple Multiple Products
Apple Multiple Products Type Confusion Vulnerability
- Added to KEV
2022-05-04- Federal due date
2022-05-25- Vendor
- Apple
- Product
- Multiple Products
- EPSS
- 47.8th percentile (score 0.002, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-1789
CISA short description
A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.
Required action
Apply updates per vendor instructions.