Which products and versions are affected by CVE-2011-3923?

Affected: Struts (Apache) versions >= 2.3.1.2; Jboss Enterprise Web Server (Redhat) versions 1.0.0; org.apache.struts:struts2-core (maven) versions >= 2.0.0. The full list is in the CVE brief.

Is CVE-2011-3923 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2011-3923 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2011-3923?

Public exploit code is available.

Is there a fix for CVE-2011-3923?

Fixed versions are available, including Struts 2.3.1.2, org.apache.struts:struts2-core 2.3.1.2.

How urgently should CVE-2011-3923 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2011-3923

CriticalPublic exploit

Struts ParameterInterceptor vulnerability allows remote command execution

Published Apr 22, 2022 · Updated Aug 6, 2024 · Also known as GHSA-j68f-8h6p-9h5q

Key Facts

Patch immediately

CVE-2011-3923 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Struts (Apache), Jboss Enterprise Web Server (Redhat), org.apache.struts:struts2-core (maven).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 89% probability of exploitation in the next 30 days.
Fixed versions are available, including Struts 2.3.1.2, org.apache.struts:struts2-core 2.3.1.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

89%

Higher than 99.7% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2011-3923 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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

Affected Products

4 affected entries in total

Product	Affected versions	Fixed in
StrutsApache	>= 2.3.1.2	2.3.1.2
Jboss Enterprise Web ServerRedhat	1.0.0	n/a
org.apache.struts:struts2-coremaven	>= 2.0.0	2.3.1.2

Patched Releases

Struts

2.3.1.2

org.apache.struts:struts2-core

2.3.1.2

Timeline

Publicly disclosed
Apr 22, 2022
Last updated
Aug 6, 2024

Weakness Type

CWE-94 Improper Control of Generation of Code ('Code Injection')
CWE-732 Incorrect Permission Assignment for Critical Resource

References

advisoryGHSA advisory
advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2011-3923
exploitMSF struts_code_exec_parameters.rb
exploitExploitDB-24874
articlehttp://blog.o0o.nu/2012/01/cve-2011-3923-yet-another-struts2.html

9 more references in the full CVE brief

FAQ

Common Questions.

Apache Struts before 2.3.1.2 allows remote attackers to bypass security protections in the ParameterInterceptor class and execute arbitrary commands.
Affected: Struts (Apache) versions >= 2.3.1.2; Jboss Enterprise Web Server (Redhat) versions 1.0.0; org.apache.struts:struts2-core (maven) versions >= 2.0.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Struts 2.3.1.2, org.apache.struts:struts2-core 2.3.1.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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