CVE-2021-30777

published 2021-09-08

CVE-2021-30777: An injection issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update…

Priority P3 38 high 7.8 CVSS 3.1

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

An injection issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A malicious application may be able to gain root privileges.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
apple	mac_os_x	—	—
apple	mac_os_x	—	—
apple	mac_os_x	10.14 – 10.14.5	—
apple	mac_os_x	10.15 – 10.15.6	—
apple	macos	>= 11.0 < 11.5	11.5
apple	macos	>= unspecified < 11.5	11.5
apple	macos	>= unspecified < 2021	2021
apple	security_update_2021-005_mojave	—	—
apple	security_update_catalina	>= unspecified < 2021	2021

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 9.3 CRITICAL AV:N/AC:M/Au:N/C:C/I:C/A:C

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-74