What’s Vulnerable › Vulnerabilities

CVE-2013-2251: Apache Struts Improper Input Validation Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-25
• EPSS: 100.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2013-07-20 · updated 2026-06-16
• Weakness: CWE-74

Description

Apache Struts 2.0.0 through 2.3.15 allows remote attackers to execute arbitrary OGNL expressions via a parameter with a crafted (1) action:, (2) redirect:, or (3) redirectAction: prefix.

Affected products

• Apache Software Foundation Apache Archiva: from 1.3 before 1.3.8; 1.2, 1.2.2 — fixed in 1.3.8
• Apache Struts: from 2.0.0 through 2.3.15
• Fujitsu Interstage Business Process Manager Analytics: 12.0, 12.1
• Oracle Siebel Apps - E-Billing: 6.1, 6.1.1, 6.2

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Archiva 1.3.8. Check the vendor advisory for mitigations.

References

• http://archiva.apache.org/security.html
• http://cxsecurity.com/issue/WLB-2014010087
• http://osvdb.org/98445
• http://packetstormsecurity.com/files/159629/Apache-Struts-2-Remote-Code-Execution.html
• http://seclists.org/fulldisclosure/2013/Oct/96
• http://seclists.org/oss-sec/2014/q1/89
• http://struts.apache.org/release/2.3.x/docs/s2-016.html
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-struts2
• http://www.fujitsu.com/global/support/software/security/products-f/interstage-bpm-analytics-201301e.html
• http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
• http://www.securityfocus.com/bid/61189

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