CVE-2024-3566Public exploitNetwork attack vector

Command execution via misescaped batch-file arguments

Published Apr 10, 2024 · Updated Nov 18, 2025

Command injection in affected Windows versions of Node.js, PHP, Rust, Haskell process, and yt-dlp allows attackers to execute commands. The affected launch APIs serialize argument arrays for CreateProcess using quoting that cmd.exe reparses differently when it implicitly runs .bat or .cmd files, allowing untrusted input to escape the intended argument. Exploitation requires an application to launch a batch file with attacker-controlled arguments; resulting commands run with that application's privileges.

CVSS severity9.8
Critical
EPSS probability6.88%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in affected Windows versions of Node.js, PHP, Rust, Haskell process, and yt-dlp allows attackers to execute commands. The affected launch APIs serialize argument arrays for CreateProcess using quoting that cmd.exe reparses differently when it implicitly runs .bat or .cmd files, allowing untrusted input to escape the intended argument. Exploitation requires an application to launch a batch file with attacker-controlled arguments; resulting commands run with that application's privileges.

The record

CVE
CVE-2024-3566
Published
Apr 10, 2024
Updated
Nov 18, 2025
Vendor
The PHP Group
Product
PHP
Classifications
CWE-78, T1059.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 18, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

The PHP Group · PHPversion=0 <*
Transportes Metropolitanos de Lisboa · GOversion=*
Rust Project · Rustversion=0 <1.77.2
yt-dlp · yt-dlpversion=0 <*
Node.js · Node.jsversion=* <=21.7.2
Haskell.org · Haskellversion=*
Haskell.org · processversion=0 <1.6.19.0
Revelry Labs · NodeJSversion=0 <=21.7.2

Published CVSS scores

9.8CISACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.003Windows Command Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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