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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 100%CVSS: 9.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed services: Not assessed

A fix is available — apply it.

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
9.8CRITICALhigh confidence
EG Risk
99
EG Risk 99/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
CISA SSVC: Attend at low mission impact; Act at medium or high.
Action: A fix is available. Apply it sooner than your standard update timelines at low mission impact and as soon as possible at medium or high.
EPSS PROB
100%
EPSS %ILE
99th
KEV
⚠ Exploited

CISA SSVCAttend at low mission impact; Act at medium or high.

A fix is available. Apply it sooner than your standard update timelines at low mission impact and as soon as possible at medium or high.

Exploitation active (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 20, 2013

Last Modified

April 22, 2026

Advisory Details (8)

Auto-updated Oct 8, 2026
🔬 Proof of concept available. Patch available.
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

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
generic

Support | Fujitsu Global

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

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

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

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFix by version rangeDependents
org.apache.struts:struts2-core2.0.11 ... 2.3.8 (31 versions)
  • every version up to 2.3.15.1: fixed in 2.3.15.1
—

Data Freshness Timeline

(refreshed 0× in last 7d / 13× 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. 2026-09-29 00:00 UTCEG score recompute
  2. 2026-09-27 21:51 UTCCISA KEV update
  3. 2026-09-25 19:35 UTCCISA KEV update
  4. 2026-09-25 14:55 UTCCISA KEV update
  5. 2026-09-24 19:31 UTCCISA KEV update
  6. 2026-09-22 19:36 UTCCISA KEV update
  7. 2026-09-21 19:09 UTCCISA KEV update
  8. 2026-09-18 19:20 UTCCISA KEV update
  9. 2026-09-18 14:15 UTCCISA KEV update
  10. 2026-09-16 14:10 UTCCISA KEV update
  11. 2026-09-14 19:24 UTCCISA KEV update
  12. 2026-09-11 18:49 UTCCISA KEV update
  13. 2026-09-10 19:28 UTCCISA KEV update
  14. 2026-09-09 19:08 UTCCISA KEV update
  15. 2026-09-08 18:54 UTCCISA KEV update
  16. 2026-09-04 17:38 UTCCISA KEV update
  17. 2026-09-02 17:33 UTCCISA KEV update
  18. 2026-08-31 14:19 UTCCISA KEV update
  19. 2026-08-27 17:22 UTCCISA KEV update
  20. 2026-08-26 17:41 UTCCISA KEV update
  21. 2026-08-24 18:52 UTCCISA KEV update
  22. 2026-08-21 16:49 UTCCISA KEV update
  23. 2026-08-20 17:06 UTCCISA KEV update
  24. 2026-08-19 17:33 UTCCISA KEV update
  25. 2026-08-18 16:58 UTCCISA KEV update
Show 62 more
  1. 2026-08-17 13:56 UTCCISA KEV update
  2. 2026-08-11 19:32 UTCCISA KEV update
  3. 2026-08-07 17:09 UTCCISA KEV update
  4. 2026-08-05 17:25 UTCCISA KEV update
  5. 2026-08-04 17:02 UTCCISA KEV update
  6. 2026-08-03 19:22 UTCCISA KEV update
  7. 2026-07-30 10:54 UTCEG score recompute
  8. 2026-07-29 19:27 UTCCISA KEV update
  9. 2026-07-27 19:24 UTCCISA KEV update
  10. 2026-07-27 17:17 UTCCISA KEV update
  11. 2026-07-26 14:20 UTCEG score recompute
  12. 2026-07-23 01:09 UTCEG score recompute
  13. 2026-07-23 00:13 UTCEG score recompute
  14. 2026-07-22 21:51 UTCEG score recompute
  15. 2026-07-22 19:40 UTCCISA KEV update
  16. 2026-07-21 14:37 UTCCISA KEV update
  17. 2026-07-17 08:15 UTCEG score recompute
  18. 2026-07-16 17:04 UTCCISA KEV update
  19. 2026-07-15 16:49 UTCCISA KEV update
  20. 2026-07-15 15:04 UTCCISA KEV update
  21. 2026-07-14 18:05 UTCCISA KEV update
  22. 2026-07-13 17:07 UTCCISA KEV update
  23. 2026-07-10 17:52 UTCCISA KEV update
  24. 2026-07-07 19:01 UTCCISA KEV update
  25. 2026-07-07 17:16 UTCCISA KEV update
  26. 2026-07-05 02:26 UTCEPSS rescore
  27. 2026-07-01 19:16 UTCCISA KEV update
  28. 2026-06-29 19:12 UTCCISA KEV update
  29. 2026-06-25 19:15 UTCCISA KEV update
  30. 2026-06-25 13:46 UTCEPSS rescore
  31. 2026-06-23 17:44 UTCCISA KEV update
  32. 2026-06-18 16:13 UTCCISA KEV update
  33. 2026-06-16 19:33 UTCCISA KEV update
  34. 2026-06-15 19:33 UTCCISA KEV update
  35. 2026-06-15 17:44 UTCEPSS rescore
  36. 2026-06-12 17:35 UTCCISA KEV update
  37. 2026-06-11 19:10 UTCCISA KEV update
  38. 2026-06-09 18:42 UTCCISA KEV update
  39. 2026-06-09 17:12 UTCCISA KEV update
  40. 2026-06-08 19:16 UTCCISA KEV update
  41. 2026-06-08 17:26 UTCCISA KEV update
  42. 2026-06-05 22:43 UTCCISA KEV update
  43. 2026-06-03 19:09 UTCCISA KEV update
  44. 2026-06-02 18:32 UTCCISA KEV update
  45. 2026-06-01 20:42 UTCCISA KEV update
  46. 2026-05-29 22:20 UTCCISA KEV update
  47. 2026-05-27 20:35 UTCCISA KEV update
  48. 2026-05-26 19:13 UTCCISA KEV update
  49. 2026-05-24 16:43 UTCEPSS rescore
  50. 2026-05-22 21:15 UTCEPSS rescore
  51. 2026-05-22 21:15 UTCEPSS rescore
  52. 2026-05-22 21:15 UTCEPSS rescore
  53. 2026-05-22 19:13 UTCCISA KEV update
  54. 2026-05-21 22:36 UTCCISA KEV update
  55. 2026-05-20 22:37 UTCEPSS rescore
  56. 2026-05-20 22:37 UTCEPSS rescore
  57. 2026-05-20 17:33 UTCCISA KEV update
  58. 2026-05-18 21:51 UTCEG score recompute
  59. 2026-05-18 21:29 UTCEPSS rescore
  60. 2026-05-18 21:29 UTCEPSS rescore
  61. 2026-05-18 21:22 UTCCISA KEV update
  62. 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 ↗

Related CVEs(same product)

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 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 attention. A fix is available. Apply it.
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 affected packages EchelonGraph has on record, with version ranges, are listed in the Affected Packages section of this page.
How do I remediate CVE-2013-2251?
A fix for CVE-2013-2251 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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