CVE-2020-3896

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Catalina 10.15.4, Security Update 2020-002 Mojave, Security Update 2020-002 High Sierra. A malicious application may be able to overwrite arbitrary files.

Published: Dec 23, 2021
Updated: Nov 16, 2025
CVE: CVE-2020-3896
Severity: Medium
Exploit:

CVSS v3:

Severity: Medium
Score: 5.5
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS v2:

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

No CWE or OWASP classifications available.

Affected Software
References

https://support.apple.com/en-us/HT211100

Vulnerability Database

317,095

CVE-2020-3896

Deep Security Visibility Without the Complexity

Software	From	Fixed in
apple / mac_os_x	10.14	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	10.14.6.x
apple / mac_os_x	10.13.6-security_update_2020-001	10.13.6-security_update_2020-001.x
apple / mac_os_x	10.13.6-security_update_2018-003	10.13.6-security_update_2018-003.x
apple / mac_os_x	10.13.6-security_update_2018-002	10.13.6-security_update_2018-002.x
apple / mac_os_x	10.13.6-security_update_2019-003	10.13.6-security_update_2019-003.x
apple / mac_os_x	10.13.6-security_update_2019-002	10.13.6-security_update_2019-002.x
apple / mac_os_x	10.13.6-security_update_2019-001	10.13.6-security_update_2019-001.x
apple / mac_os_x	10.13.6-security_update_2019-007	10.13.6-security_update_2019-007.x
apple / mac_os_x	10.13.6-security_update_2019-006	10.13.6-security_update_2019-006.x
apple / mac_os_x	10.13.6-security_update_2019-005	10.13.6-security_update_2019-005.x
apple / mac_os_x	10.13.6-security_update_2019-004	10.13.6-security_update_2019-004.x
apple / mac_os_x	10.13.6	10.13.6.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	10.15.4
apple / mac_os_x	10.13	10.13.6