CVE-2021-1789

high · 8.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2022-05-04Remediation due 2022-05-25

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.

8.8

CVSS

14.5%

EPSS (exploit prob.)

96th

EPSS percentile

2021-04-02

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

CWE-843

Affected products

Vendor	Product	Affected versions
apple	ipados	< 14.4
apple	iphone_os	< 14.4
apple	mac_os_x	>= 10.14, < 10.14.6
apple	mac_os_x	>= 10.15, < 10.15.7
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.14.6
apple	mac_os_x	10.15.7
apple	mac_os_x	10.15.7
apple	macos	>= 11.0, < 11.2
apple	tvos	< 14.4
apple	watchos	< 7.3
fedoraproject	fedora	32
fedoraproject	fedora	33
webkitgtk	webkitgtk	< 2.30.6

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-1789