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Vulnerabilities

Vulnerability · CVE-2013-2251

Apache Struts Improper Input Validation Vulnerability

Published Jul 18, 2013 · catalog updated Jun 16, 2026 · Apache Struts

Patch now

CVE-2013-2251 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Apache Struts against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
100.00%
Remediation
Remediation guidance
Affected products
cpe apache/archiva · cpe apache/struts · cpe fujitsu/interstage business process manager analytics · cpe oracle/siebel apps - e-billing · vendor Apache Struts · vendor n/a n/a

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/archiva1.2
  • cpe apache/archiva1.2.2
  • cpe apache/strutsversion unspecified
  • cpe fujitsu/interstage business process manager analytics12.0
  • cpe fujitsu/interstage business process manager analytics12.1
  • cpe oracle/siebel apps - e-billing6.1
  • cpe oracle/siebel apps - e-billing6.1.1
  • vendor Apache Strutsversion unspecified
  • vendor n/a n/aversion unspecified

How to fix CVE-2013-2251

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2013-2251 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Apache Struts against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with fujitsu/interstage business process manager analytics 12.0; fujitsu/interstage business process manager analytics 12.1; oracle/siebel apps - e-billing 6.1; oracle/siebel apps - e-billing 6.1.1. Apply updates per vendor instructions.

What should an analyst verify?

CWE-20: Improper Input Validation; CWE-74: Injection. EPSS 100.00%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 19, 2013 · Catalog

    Detected

    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.

  2. Mar 25, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 15, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2013-2251

    Apache Struts allows remote attackers to execute arbitrary Object-Graph Navigation Language (OGNL) expressions.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2013-2251

    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.

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2013-2251

    30-day exploitation probability 100.0%

    first.org
  • Exploit DatabasePublic exploit reference27135

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference44583

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/struts_default_action_mapper

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2013-2251

    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.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/159629/Apache-Struts-2-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2013-2251

    Apache Struts allows remote attackers to execute arbitrary Object-Graph Navigation Language (OGNL) expressions.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.