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CVE-2021-1782

high · 7Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2021-11-03Remediation due 2021-11-17

A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..

7
CVSS
2.2%
EPSS (exploit prob.)
82nd
EPSS percentile
2021-04-02
Published

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

Weaknesses

CWE-667

Affected products

VendorProductAffected versions
appleipados< 14.4
appleiphone_os< 14.4
applemac_os_x>= 10.14, < 10.14.6
applemac_os_x>= 10.15, < 10.15.7
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.14.6
applemac_os_x10.15.7
applemac_os_x10.15.7
applemacos>= 11.0, < 11.2
appletvos< 14.4
applewatchos< 7.3

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

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2021-1782