CVE-2016-4437

Known Exploited Public Exploit

Description

Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember me" feature, allows remote attackers to execute arbitrary code or bypass intended access restrictions via an unspecified request parameter.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.30% Top 5%
KEV Since 
Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://rhn.redhat.com/errata/RHSA-2016-2035.html vendor advisory third party advisory
https://lists.apache.org/thread.html/ef3a800c7d727a00e04b78e2f06c5cd8960f09ca28c9b69d94c3c4c4%40%3Cannouncements.aurora.apache.org%3E mailing list
http://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.html third party advisory vdb entry
http://rhn.redhat.com/errata/RHSA-2016-2036.html vendor advisory third party advisory
http://www.securityfocus.com/bid/91024 vdb entry broken link third party advisory
http://www.securityfocus.com/archive/1/538570/100/0/threaded mailing list vdb entry broken link third party advisory
http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-4437?
CVE-2016-4437 has been scored as a critical severity vulnerability.
How to fix CVE-2016-4437?
To fix CVE-2016-4437, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-4437 being actively exploited in the wild?
It is confirmed that CVE-2016-4437 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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