CVE-2012-0838

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-03-02 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

Apache Struts: from 2.0.0 through 2.2.3

References

http://jvn.jp/en/jp/JVN79099262/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2012-000012
http://struts.apache.org/2.3.1.2/docs/s2-007.html
https://issues.apache.org/jira/browse/WW-3668
http://jvn.jp/en/jp/JVN79099262/index.html
http://jvndb.jvn.jp/jvndb/JVNDB-2012-000012
http://struts.apache.org/2.3.1.2/docs/s2-007.html
https://issues.apache.org/jira/browse/WW-3668

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