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CVE-2012-0391

Published: Jan 8, 2012Updated: Apr 22, 2026 Sources: CVE List NVD GHSA BDUCWE-94
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
75.1%
Top 0.6%
CISA KEV
Active Exploitation
Since Jan 21, 2022
Exploits
2 Known
Remediation
Patch Available

Description

The ExceptionDelegator component in Apache Struts before 2.2.3.1 interprets parameter values as OGNL expressions during certain exception handling for mismatched data types of properties, which allows remote attackers to execute arbitrary Java code via a crafted parameter.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-94

Affected Products

n/an/a
StrutsApache Software Foundation
LibraryLibrary
OSS Libraries / web-framework
org.apache.struts:struts2-coreMavenOSS Libraries
org.apache.struts.xwork:xwork-coreMavenOSS Libraries
strutsapache
LibraryLibrary
OSS Libraries / web-framework
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
mavenpackage-ecosystemOSS Libraries
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd

Attack Graph

Products CVE Techniques Tactics

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Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Jan 21, 2022
Remediation due:Jul 21, 2022

Required action: Apply updates per vendor instructions.

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

http://www.exploit-db.com/exploits/18329
exploit-db.com
http://archives.neohapsis.com/archives/bugtraq/2012-01/0031.html
archives.neohapsis.com
http://struts.apache.org/2.x/docs/version-notes-2311.html
struts.apache.org
and 15 more references View all →

Timeline

Published
Jan 8, 2012
Added to CISA KEV
Jan 21, 2022
Last Updated
Apr 22, 2026

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