CVE-2013-2251

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Exploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
100.0%
KEV
⚠ Exploited

Published

July 20, 2013

Last Modified

April 22, 2026

Advisory Details (8)

Auto-updated May 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Support | Fujitsu Global

http://www.fujitsu.com/global/support/software/security/products-f/interstage-bpm-analytics-201301e.html
generic🟡 PoC Available

Apache Struts 2 Command Execution Vulnerability in Multiple Cisco Products

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-struts2
generic🟡 PoC Available

S2-016 - Apache Struts 2 Wiki - Apache Software Foundation

http://struts.apache.org/release/2.3.x/docs/s2-016.html
generic

oss-sec: Re: CVE Request: Apache Archiva Remote Command Execution 0day

http://seclists.org/oss-sec/2014/q1/89
generic

Full Disclosure: Apache Software Foundation A Subsite Remote command execution

http://seclists.org/fulldisclosure/2013/Oct/96
generic

Packet Storm

http://packetstormsecurity.com/files/159629/Apache-Struts-2-Remote-Code-Execution.html
generic

Apache Archiva 1.3.6 => Remote Command Execution 0day - CXSecurity.com

http://cxsecurity.com/issue/WLB-2014010087
generic

Archiva – Security Vulnerabilities

http://archiva.apache.org/security.html

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.apache.struts:struts2-core2.0.11 ... 2.3.8 (31 versions)2.3.15.1—

Data Freshness Timeline

(refreshed 4× in last 7d / 17× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 19:40 UTCCISA KEV update
  2. 2026-07-21 14:37 UTCCISA KEV update
  3. 2026-07-17 08:15 UTCEG score recompute
  4. 2026-07-16 17:04 UTCCISA KEV update
  5. 2026-07-15 16:49 UTCCISA KEV update
  6. 2026-07-15 15:04 UTCCISA KEV update
  7. 2026-07-14 18:05 UTCCISA KEV update
  8. 2026-07-13 17:07 UTCCISA KEV update
  9. 2026-07-10 17:52 UTCCISA KEV update
  10. 2026-07-07 19:01 UTCCISA KEV update
  11. 2026-07-07 17:16 UTCCISA KEV update
  12. 2026-07-05 02:26 UTCEPSS rescore
  13. 2026-07-01 19:16 UTCCISA KEV update
  14. 2026-06-29 19:12 UTCCISA KEV update
  15. 2026-06-25 19:15 UTCCISA KEV update
  16. 2026-06-25 13:46 UTCEPSS rescore
  17. 2026-06-23 17:44 UTCCISA KEV update
  18. 2026-06-18 16:13 UTCCISA KEV update
  19. 2026-06-16 19:33 UTCCISA KEV update
  20. 2026-06-15 19:33 UTCCISA KEV update
  21. 2026-06-15 17:44 UTCEPSS rescore
  22. 2026-06-12 17:35 UTCCISA KEV update
  23. 2026-06-11 19:10 UTCCISA KEV update
  24. 2026-06-09 18:42 UTCCISA KEV update
  25. 2026-06-09 17:12 UTCCISA KEV update
Show 23 more
  1. 2026-06-08 19:16 UTCCISA KEV update
  2. 2026-06-08 17:26 UTCCISA KEV update
  3. 2026-06-05 22:43 UTCCISA KEV update
  4. 2026-06-03 19:09 UTCCISA KEV update
  5. 2026-06-02 18:32 UTCCISA KEV update
  6. 2026-06-01 20:42 UTCCISA KEV update
  7. 2026-05-29 22:20 UTCCISA KEV update
  8. 2026-05-27 20:35 UTCCISA KEV update
  9. 2026-05-26 19:13 UTCCISA KEV update
  10. 2026-05-24 16:43 UTCEPSS rescore
  11. 2026-05-22 21:15 UTCEPSS rescore
  12. 2026-05-22 21:15 UTCEPSS rescore
  13. 2026-05-22 21:15 UTCEPSS rescore
  14. 2026-05-22 19:13 UTCCISA KEV update
  15. 2026-05-21 22:36 UTCCISA KEV update
  16. 2026-05-20 22:37 UTCEPSS rescore
  17. 2026-05-20 22:37 UTCEPSS rescore
  18. 2026-05-20 17:33 UTCCISA KEV update
  19. 2026-05-18 21:51 UTCEG score recompute
  20. 2026-05-18 21:29 UTCEPSS rescore
  21. 2026-05-18 21:29 UTCEPSS rescore
  22. 2026-05-18 21:22 UTCCISA KEV update
  23. 2026-05-18 21:22 UTCCISA KEV update

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-44583✓ verified
    First seen Jan 14, 2014

    Apache Struts2 2.0.0 < 2.3.15 - Prefixed Parameters OGNL Injection

    Open source ↗
  • Exploit-DBEDB-27135✓ verified
    First seen Jul 27, 2013

    Apache Struts 2 - DefaultActionMapper Prefixes OGNL Code Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/http/struts_default_action_mapper✓ verified
    First seen Jul 2, 2013

    Apache Struts 2 DefaultActionMapper Prefixes OGNL Code Execution

    Open source ↗
  • Nucleihttp/cves/2013/CVE-2013-2251.yaml
    First seen Jan 1, 2013

    Apache Struts 2 - DefaultActionMapper Prefixes OGNL Code Execution

    Open source ↗

Frequently asked(6)

What is CVE-2013-2251?
CVE-2013-2251 is a critical vulnerability published on July 20, 2013. 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.
When was CVE-2013-2251 disclosed?
CVE-2013-2251 was first published in the National Vulnerability Database on July 20, 2013, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-2251 actively exploited?
Yes. CISA added CVE-2013-2251 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting Apache Struts. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2013-2251?
CVE-2013-2251 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2013-2251?
CVE-2013-2251 affects Apache Struts. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2013-2251?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-2251, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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