VULNERABILITY INTELLIGENCE
CVE-2010-3065
CVSS score5 MEDIUM
EPSS probability2.45%
CISA KEVNot currently listed
Published2010-08-20
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N
Description
The default session serializer in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 does not properly handle the PS_UNDEF_MARKER marker, which allows context-dependent attackers to modify arbitrary session variables via a crafted session variable name.