Is CVE-2013-2251 being actively exploited?

Yes. CVE-2013-2251 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on March 25, 2022.

What is the CVSS score for CVE-2013-2251?

CVE-2013-2251 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2013-2251

CRITICAL · CVSS 9.8CISA KEV: actively exploitedEPSS 100.0%EU EUVD: exploited

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-74
EPSS score: 100.0% (100th percentile)
In CISA KEV: Yes, added March 25, 2022
In EU EUVD: Yes (EUVD-2022-2328)
Published: July 20, 2013
NVD last modified: June 16, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Apache Struts Improper Input Validation Vulnerability

Added to the KEV catalog on March 25, 2022; federal remediation due April 15, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-2328 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on October 22, 2025.

View on the EU Vulnerability Database

Affected products

apache / archiva
apache / archiva
apache / archiva
apache / struts
fujitsu / interstage business process manager analytics
fujitsu / interstage business process manager analytics
microsoft / windows server 2003
microsoft / windows server 2008
microsoft / windows server 2012
oracle / siebel apps - e-billing
oracle / siebel apps - e-billing
oracle / siebel apps - e-billing
oracle / solaris
redhat / enterprise linux

References

http://archiva.apache.org/security.html(Product)
http://cxsecurity.com/issue/WLB-2014010087(Exploit, Third Party Advisory)
http://osvdb.org/98445(Broken Link)
http://packetstormsecurity.com/files/159629/Apache-Struts-2-Remote-Code-Execution.html(Exploit, Third Party Advisory, VDB Entry)
http://seclists.org/fulldisclosure/2013/Oct/96(Exploit, Mailing List, Third Party Advisory)
http://seclists.org/oss-sec/2014/q1/89(Mailing List, Third Party Advisory)
http://struts.apache.org/release/2.3.x/docs/s2-016.html(Patch)
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-struts2(Third Party Advisory)
http://www.fujitsu.com/global/support/software/security/products-f/interstage-bpm-analytics-201301e.html(Broken Link, Third Party Advisory)
http://www.oracle.com/technetwork/topics/security/cpujan2014-1972949.html(Patch, Third Party Advisory)
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html(Patch, Third Party Advisory)
http://www.securityfocus.com/bid/61189(Broken Link, Third Party Advisory, VDB Entry)
http://www.securityfocus.com/bid/64758(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1029184(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1032916(Broken Link, Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/90392(Third Party Advisory, VDB Entry)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-2251(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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