CyberRota Analysis
This is a critical severity vulnerability with a CVSS score of 9.8. Its EPSS score suggests a 37.0% probability of exploitation in the next 30 days. It may be remotely exploitable. It may lead to a denial-of-service condition.
CVE
CVE-2015-6835
Severity
CRITICAL
CVSS
9.8
EPSS
36.99%
Original NVD Description
The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.