CVE-2013-2135

Description

Apache Struts 2 before 2.3.14.3 allows remote attackers to execute arbitrary OGNL code via a request with a crafted value that contains both "${}" and "%{}" sequences, which causes the OGNL code to be evaluated twice.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 90.91% Top 5%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://struts.apache.org/development/2.x/docs/s2-015.html vendor advisory
https://cwiki.apache.org/confluence/display/WW/S2-015 vendor advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2013-1899837.html third party advisory
http://www.securityfocus.com/bid/64758 vdb entry third party advisory
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2013-2135?
CVE-2013-2135 has been scored as a critical severity vulnerability.
How to fix CVE-2013-2135?
To fix CVE-2013-2135, 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-2013-2135 being actively exploited in the wild?
It is possible that CVE-2013-2135 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~91% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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