CVE-2024-4577
Argument Injection in PHP-CGI
- Published
- Updated
- Reserved
- Assigned by
- php
Description
In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, when using Apache and PHP-CGI on Windows, if the system is set up to use certain code pages, Windows may use "Best-Fit" behavior to replace characters in command line given to Win32 API functions. PHP CGI module may misinterpret those characters as PHP options, which may allow a malicious user to pass options to PHP binary being run, and thus reveal the source code of scripts, run arbitrary PHP code on the server, etc.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as PHP-CGI OS Command Injection Vulnerability.
- Added
- 12 Jun 2024
- Fix due (US federal)
- 3 Jul 2024
- Used by ransomware
- Known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| phpCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 100.0% · top 0.1% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
References (23)
- https://github.com/php/php-src/security/advisories/GHSA-3qgc-jrrr-25jv (opens in a new tab)x_transferred
- https://blog.orange.tw/2024/06/cve-2024-4577-yet-another-php-rce.html (opens in a new tab)x_transferred
- https://devco.re/blog/2024/06/06/security-alert-cve-2024-4577-php-cgi-argument-injection-vulnerability-en/ (opens in a new tab)x_transferred
- https://arstechnica.com/security/2024/06/php-vulnerability-allows-attackers-to-run-malicious-code-on-windows-servers/ (opens in a new tab)x_transferred
- https://www.imperva.com/blog/imperva-protects-against-critical-php-vulnerability-cve-2024-4577/ (opens in a new tab)x_transferred
- https://github.com/11whoami99/CVE-2024-4577 (opens in a new tab)x_transferred
- https://github.com/xcanwin/CVE-2024-4577-PHP-RCE (opens in a new tab)x_transferred
- https://github.com/rapid7/metasploit-framework/pull/19247 (opens in a new tab)x_transferred
- https://labs.watchtowr.com/no-way-php-strikes-again-cve-2024-4577/ (opens in a new tab)x_transferred
- https://github.com/watchtowrlabs/CVE-2024-4577 (opens in a new tab)x_transferred
- https://www.php.net/ChangeLog-8.php#8.1.29 (opens in a new tab)x_transferred
- https://www.php.net/ChangeLog-8.php#8.2.20 (opens in a new tab)x_transferred
- https://www.php.net/ChangeLog-8.php#8.3.8 (opens in a new tab)x_transferred
- https://cert.be/en/advisory/warning-php-remote-code-execution-patch-immediately (opens in a new tab)x_transferred
- https://isc.sans.edu/diary/30994 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2024/06/07/1 (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/PKGTQUOA2NTZ3RXN22CSAUJPIRUYRB4B/ (opens in a new tab)x_transferred
- https://lists.fedoraproject.org/archives/list/[email protected]/message/W45DBOH56NQDRTOM2DN2LNA2FZIMC3PK/ (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20240621-0008/ (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4577 (opens in a new tab)government-resource
- https://www.vicarius.io/vsociety/posts/php-cgi-os-command-injection-vulnerability-cve-2024-4577 (opens in a new tab)
- https://www.vicarius.io/vsociety/posts/php-cgi-argument-injection-to-rce-cve-2024-4577 (opens in a new tab)
- https://blog.talosintelligence.com/new-persistent-attacks-japan/ (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-4577)Record last updated .