CVE-2015-4642 in the critical feed json
The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows rem…
published 2016-05-16 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4661
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.0%
- EPSS 6.0% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows remote attackers to execute arbitrary OS commands via a crafted string to an application that accepts command-line arguments for a call to the PHP system function.
Exploit prediction
6.00% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- bugs.php.net https://bugs.php.net/bug.php?id=69646 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
- Technology feeds
References
-
bugs.php.net
/bug.php?id=69646
exploit
-
security.gentoo.org
/glsa/201606-10
vendor-advisory
-
securitytracker.com
/id/1032709
vdb-entry
-
securityfocus.com
/bid/75290
vdb-entry
-
openwall.com
/lists/oss-security/2015/06/18/6
mailing-list
- php.net /ChangeLog-5.php
- git.php.net /?p=php-src.git%3Ba=commit%3Bh=d2ac264ffea5ca2e85640b6736e0c7cd4ee9a4a9
Sources
- CVE List CVE-2015-4642
- NVD CVE-2015-4642
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.