Vulnerability Database

289,784

Total vulnerabilities in the database

CVE-2021-45444

In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.

  • Published: Feb 14, 2022
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-45444
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5.1
  • AV:N/AC:H/Au:N/C:P/I:P/A:P

No CWE or OWASP classifications available.

Software From Fixed in
zsh / zsh - 5.8.1
fedoraproject / fedora 34 34.x
fedoraproject / fedora 35 35.x
debian / debian_linux 9.0 9.0.x
debian / debian_linux 10.0 10.0.x
debian / debian_linux 11.0 11.0.x
apple / mac_os_x 10.15 10.15.7
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-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 10.15.7-security_update_2021-001 10.15.7-security_update_2021-001.x
apple / mac_os_x 10.15.7-security_update_2021-002 10.15.7-security_update_2021-002.x
apple / mac_os_x 10.15.7-security_update_2021-003 10.15.7-security_update_2021-003.x
apple / mac_os_x 10.15.7-security_update_2021-006 10.15.7-security_update_2021-006.x
apple / mac_os_x 10.15.7-security_update_2021-008 10.15.7-security_update_2021-008.x
apple / mac_os_x 10.15.7-security_update_2021-007 10.15.7-security_update_2021-007.x
apple / mac_os_x 10.15.7-security_update_2022-002 10.15.7-security_update_2022-002.x
apple / mac_os_x 10.15.7-security_update_2022-001 10.15.7-security_update_2022-001.x
apple / macos 11.0 11.6.6
apple / mac_os_x 10.15.7-security_update_2022-003 10.15.7-security_update_2022-003.x
apple / macos 12.0.0 12.4