CVE-2012-0838

Description

Apache Struts 2 before 2.2.3.1 evaluates a string as an OGNL expression during the handling of a conversion error, which allows remote attackers to modify run-time data values, and consequently execute arbitrary code, via invalid input to a field.

Category

10.0
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 48.65% Top 5%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://jvndb.jvn.jp/jvndb/JVNDB-2012-000012 vdb entry third party advisory
http://struts.apache.org/2.3.1.2/docs/s2-007.html vendor advisory
https://issues.apache.org/jira/browse/WW-3668 issue tracking vendor advisory
http://jvn.jp/en/jp/JVN79099262/index.html vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2012-0838?
CVE-2012-0838 has been scored as a critical severity vulnerability.
How to fix CVE-2012-0838?
To fix CVE-2012-0838, 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-2012-0838 being actively exploited in the wild?
It is possible that CVE-2012-0838 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~49% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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