CVE-2021-30881

published 2021-08-24

CVE-2021-30881: An input validation issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1…

Priority P3 43 high 7.8 CVSS 3.1

AV L AC L PR N UI R S U C H I H A H

An input validation issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, tvOS 15.1, watchOS 8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Unpacking a maliciously crafted archive may lead to arbitrary code execution.

Affected

20 ranges

Vendor	Product	Version range	Fixed in
apple	ios_15.1_and_ipados	—	—
apple	ios_and_ipados	>= unspecified < 15.1	15.1
apple	ipados	< 15.1	15.1
apple	iphone_os	< 15.1	15.1
apple	mac_os_x	< 10.15.7	10.15.7
apple	mac_os_x	—	—
apple	macos	—	—
apple	macos	>= 11.0 < 11.6.1	11.6.1
apple	macos	>= unspecified < 12.0	12.0
apple	macos	>= unspecified < 2021	2021
apple	macos	>= unspecified < 11.6	11.6
apple	macos	>= unspecified < 8.1	8.1
apple	macos	>= unspecified < 15.1	15.1
apple	macos_big_sur	—	—
apple	macos_monterey	—	—
apple	security_update_2021-007_catalina	—	—
apple	tvos	< 15.1	15.1
apple	tvos	—	—
apple	watchos	< 8.1	8.1
apple	watchos	—	—

CVSS provenance

nvd v3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd v2.0 6.8 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-20