AUGUST 4, 2026
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Case File

CVE-2021-45444

HIGH · CVSS 7.8 EPSS 1.98% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-14 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-45444
Severity
HIGH
CVSS
7.8
EPSS
1.98%

Original NVD 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.