CVE-2024-1874Command injection via array-ish $command parameter of proc_open()
- 9.4CriticalCVSS base score
- 32.8%Exploitation in 30 daysEPSS · top 1.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
In PHP versions 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, when using proc_open() command with array syntax, due to insufficient escaping, if the arguments of the executed command are controlled by a malicious user, the user can supply arguments that would execute arbitrary commands in Windows shell.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By php
- 2 months later
· 2 months later
Published
- 18 months later
· 18 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| phpCNA (assigner) | 3.1 | Critical9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L |
| NVDNVD · Modified | 3.1 | Critical9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L |
- EPSS (exploitation in 30 days)
- 32.8% · top 1.6% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.4.
Affected products
What to do
Workaround: Using proc_open() string syntax avoids the problem.
References
References10
- https://github.com/php/php-src/security/advisories/GHSA-pc52-254m-w9w7 (opens in a new tab)x_transferred
- http://www.openwall.com/lists/oss-security/2024/04/12/11 (opens in a new tab)x_transferred
- https://security.netapp.com/advisory/ntap-20240510-0009/ (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://www.vicarius.io/vsociety/posts/command-injection-vulnerability-in-php-on-windows-systems-cve-2024-1874-and-cve-2024-5585 (opens in a new tab)
- https://lists.fedoraproject.org/archives/list/[email protected]/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/ (opens in a new tab)
- https://lists.fedoraproject.org/archives/list/[email protected]/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/ (opens in a new tab)
- https://www.kb.cert.org/vuls/id/123335 (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)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-17599 (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://cveledger.app/cve/CVE-2024-1874)Record last updated .