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CVE-2012-0838

37
FAUCET Score

CVE-2012-0838 describes a critical remote code execution vulnerability in Apache Struts 2 versions prior to 2.2.3.1. This flaw allows attackers to execute arbitrary code by injecting malicious OGNL expressions through invalid input during conversion error handling. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication and having a low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, <= 2.2.3CPE matchmatch criteria
cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
13.88%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.1388 is in the 94th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.struts:struts2-coreFixed in: 2.2.3.1
mavenpatch availablevia ghsa
Product: org.apache.struts.xwork:xwork-coreFixed in: 2.2.3.1

Vendor Advisories (2)

mavenGHSA-mwrx-hx6x-3hhvhigh

Apache Struts Code injection due to conversion error

May 14, 2022
redhatCVE-2012-0838Important

Struts2: Certain strings evaluated as OGNL expressions, leading to run-time data modification or arbitrary code execution

Aug 5, 2011

References

jvndb.jvn.jp / jvndb/JVNDB-2012-000012
Third Party AdvisoryVDB Entry
jvn.jp / en/jp/JVN79099262/index.html
Third Party AdvisoryVDB Entry
issues.apache.org / jira/browse/WW-3668
Issue TrackingVendor Advisory
struts.apache.org / 2.3.1.2/docs/s2-007.html
Vendor Advisory