cbcvebase.
CVE-2021-1808
published 2021-09-08

CVE-2021-1808: A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave…

PriorityP340high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
1.75%
77.7th percentile
A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to read restricted memory.

Affected

18 ranges
VendorProductVersion rangeFixed in
appleios_14.5_and_ipados——
appleios_and_ipados>= unspecified < 14.514.5
appleipados< 14.514.5
appleiphone_os< 14.514.5
applemac_os_x——
applemac_os_x——
applemac_os_x——
applemac_os_x10.14 – 10.14.5—
applemac_os_x10.15 – 10.15.5—
applemacos>= 11.0 < 11.311.3
applemacos>= unspecified < 11.311.3
applemacos>= unspecified < 20212021
applemacos_big_sur——
applesecurity_update_2021-002_catalina——
appletvos< 14.514.5
appletvos>= unspecified < 14.514.5
applewatchos< 7.47.4
applewatchos>= unspecified < 7.47.4

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
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.