VULNERABILITY INTELLIGENCE

CVE-2021-45444

CVSS score7.8 HIGH
EPSS probability1.98%
CISA KEVNot currently listed
Published2022-02-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references