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Public proof of conceptFix available

CVE-2011-3923

A public proof of concept exists; no exploitation attested.

  • Published2019-11-01
  • Fixed in2.3.1.2
  • WeaknessCWE-732

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Apache Struts before 2.3.1.2 allows remote attackers to bypass security protections in the ParameterInterceptor class and execute arbitrary commands.

Timeline

dates in UTC
  1. 2013-03-22Exploit-DB entryExploit-DB

Versions per branch

NVD · OSV
Apache struts
BranchAffectedFixed in
2.x≥ 2.0.0, < 2.3.1.22.3.1.2
Redhat jboss enterprise web server
BranchAffectedFixed in
1.0= 1.0.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Apache struts to 2.3.1.2

Detection

read 2026-11-04 22:56 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-24874
Exploit-DB
Metasploit modules
1 moduleexploit/multi/http/struts_code_exec_parametersrank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-11-01
Last Modified
2026-06-16
NVD status
Modified
GitHub Advisory
GHSA-j68f-8h6p-9h5q

Frequently asked questions

What is CVE-2011-3923?

Apache Struts before 2.3.1.2 allows remote attackers to bypass security protections in the ParameterInterceptor class and execute arbitrary commands.

Is CVE-2011-3923 actively exploited?

Active exploitation of CVE-2011-3923 has not been confirmed. Its EPSS score was 89.5% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2011-3923?

CVE-2011-3923 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record