Vulnerability Database

290,301

Total vulnerabilities in the database

CVE-2021-1884

A race condition was addressed with improved locking. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, Security Update 2021-003 Catalina, tvOS 14.5, macOS Big Sur 11.3. A remote attacker may be able to cause a denial of service.

  • Published: Sep 8, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-1884
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.9
  • AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
apple / mac_os_x 10.15 10.15.7
apple / mac_os_x 10.14.0 10.14.6
apple / mac_os_x 10.14.6-security_update_2020-001 10.14.6-security_update_2020-001.x
apple / mac_os_x 10.14.6-security_update_2020-002 10.14.6-security_update_2020-002.x
apple / mac_os_x 10.14.6-security_update_2020-003 10.14.6-security_update_2020-003.x
apple / mac_os_x 10.14.6-security_update_2020-004 10.14.6-security_update_2020-004.x
apple / mac_os_x 10.14.6-security_update_2020-005 10.14.6-security_update_2020-005.x
apple / mac_os_x 10.14.6-security_update_2020-006 10.14.6-security_update_2020-006.x
apple / mac_os_x 10.14.6-security_update_2019-007 10.14.6-security_update_2019-007.x
apple / mac_os_x 10.14.6-security_update_2019-004 10.14.6-security_update_2019-004.x
apple / mac_os_x 10.14.6-security_update_2019-005 10.14.6-security_update_2019-005.x
apple / mac_os_x 10.14.6-security_update_2019-006 10.14.6-security_update_2019-006.x
apple / mac_os_x 10.14.6-supplemental_update 10.14.6-supplemental_update.x
apple / mac_os_x 10.14.6-supplemental_update_2 10.14.6-supplemental_update_2.x
apple / mac_os_x 10.14.6 10.14.6.x
apple / mac_os_x 10.15.7-supplemental_update 10.15.7-supplemental_update.x
apple / mac_os_x 10.15.7-security_update_2020-005 10.15.7-security_update_2020-005.x
apple / mac_os_x 10.15.7-security_update_2020-007 10.15.7-security_update_2020-007.x
apple / mac_os_x 10.15.7 10.15.7.x
apple / mac_os_x 10.14.6-security_update_2020-007 10.14.6-security_update_2020-007.x
apple / mac_os_x 10.14.6-security_update_2019-001 10.14.6-security_update_2019-001.x
apple / mac_os_x 10.14.6-security_update_2019-002 10.14.6-security_update_2019-002.x
apple / mac_os_x 10.15.7-security_update_2020-001 10.15.7-security_update_2020-001.x
apple / mac_os_x 10.15.7-security_update_2020 10.15.7-security_update_2020.x
apple / mac_os_x 10.14.6-security_update_2021-001 10.14.6-security_update_2021-001.x
apple / mac_os_x 10.14.6-security_update_2021-002 10.14.6-security_update_2021-002.x
apple / macos 11.0 11.3
apple / iphone_os - 14.5
apple / mac_os_x 10.15.7-security_update_2021-001 10.15.7-security_update_2021-001.x
apple / tvos - 14.5
apple / mac_os_x 10.14.6-security_update_2021-003 10.14.6-security_update_2021-003.x
apple / mac_os_x 10.15.7-security_update_2021-002 10.15.7-security_update_2021-002.x
apple / watchos - 7.4
apple / ipados - 14.5