7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.721 High
EPSS
Percentile
98.1%
Use-after-free vulnerability in the process_nested_data function in
ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23,
and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code
via a crafted unserialize call that leverages use of the unset function
within an __wakeup function, a related issue to CVE-2015-0231.