Is CVE-2012-0838 in the CISA KEV catalog?

No. CVE-2012-0838 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-0838?

CVE-2012-0838 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2012-0838?

CVE-2012-0838 has an EPSS score of 14.03% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2012-0838

HIGHEPSS 96th pctl

10.0

CVSS v2

NVD

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.

CWE-20Improper Input Validation

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

14.03%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

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

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.