VULNERABILITY INTELLIGENCE
CVE-2009-3557
CVSS score5 MEDIUM
EPSS probability2.10%
CISA KEVNot currently listed
Published2009-11-23
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N
Description
The tempnam function in ext/standard/file.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass safe_mode restrictions, and create files in group-writable or world-writable directories, via the dir and prefix arguments.