CVE-2017-9805

HIGHNVD 8.19.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.1 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Exploited in the wild
8.1
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 99%CVSS: 8.1Exploit: NoneExposed: 0

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

The REST Plugin in Apache Struts 2.1.1 through 2.3.x before 2.3.34 and 2.5.x before 2.5.13 uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to Remote Code Execution when deserializing XML payloads.

CVSS v3
8.1
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.9%
KEV
⚠ Exploited

Published

September 15, 2017

Last Modified

April 21, 2026

Advisory Details (8)

Auto-updated May 19, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet. Sources: redhat.
generic🔴 Active Exploitation

Multiple Vulnerabilities in Apache Struts 2 Affecting Cisco Products: September 2017

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170907-struts2
generic

S2-052 - Apache Struts 2 Wiki - Apache Software Foundation

https://struts.apache.org/docs/s2-052.html
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20170907-0001/
generic

S2-052 - Apache Struts 2 Wiki - Apache Software Foundation

https://cwiki.apache.org/confluence/display/WW/S2-052
redhat

1488482 – (CVE-2017-9805) CVE-2017-9805 struts: RCE attack via REST plugin with XStream handler to deserialise XML requests

https://bugzilla.redhat.com/show_bug.cgi?id=1488482
generic🔴 Active Exploitation

Apache Struts Statement on Equifax Security Breach - The ASF Blog

https://blogs.apache.org/foundation/entry/apache-struts-statement-on-equifax
generic
http://www.securitytracker.com/id/1039263
generic
http://www.securityfocus.com/bid/100609

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.apache.struts:struts2-rest-plugin2.5 ... 2.5.8 (8 versions)2.5.13—

Data Freshness Timeline

(refreshed 7× in last 7d / 24× 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. 2026-07-23 01:31 UTCEG score recompute
  2. 2026-07-22 23:55 UTCEG score recompute
  3. 2026-07-22 22:11 UTCEG score recompute
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-21 14:37 UTCCISA KEV update
  6. 2026-07-17 09:47 UTCEG score recompute
  7. 2026-07-16 17:04 UTCCISA KEV update
  8. 2026-07-15 16:49 UTCCISA KEV update
  9. 2026-07-15 15:04 UTCCISA KEV update
  10. 2026-07-14 18:05 UTCCISA KEV update
  11. 2026-07-13 17:07 UTCCISA KEV update
  12. 2026-07-10 17:52 UTCCISA KEV update
  13. 2026-07-09 19:06 UTCEPSS rescore
  14. 2026-07-07 19:01 UTCCISA KEV update
  15. 2026-07-07 17:16 UTCCISA KEV update
  16. 2026-07-01 19:16 UTCCISA KEV update
  17. 2026-06-29 19:12 UTCCISA KEV update
  18. 2026-06-25 19:15 UTCCISA KEV update
  19. 2026-06-25 13:47 UTCEPSS rescore
  20. 2026-06-24 14:02 UTCEPSS rescore
  21. 2026-06-24 14:02 UTCEPSS rescore
  22. 2026-06-23 21:30 UTCEPSS rescore
  23. 2026-06-23 21:30 UTCEPSS rescore
  24. 2026-06-23 17:44 UTCCISA KEV update
  25. 2026-06-18 16:13 UTCCISA KEV update
Show 33 more
  1. 2026-06-16 19:33 UTCCISA KEV update
  2. 2026-06-15 19:33 UTCCISA KEV update
  3. 2026-06-15 17:45 UTCEPSS rescore
  4. 2026-06-12 17:35 UTCCISA KEV update
  5. 2026-06-11 19:10 UTCCISA KEV update
  6. 2026-06-10 22:15 UTCEPSS rescore
  7. 2026-06-09 18:42 UTCCISA KEV update
  8. 2026-06-09 17:12 UTCCISA KEV update
  9. 2026-06-08 19:16 UTCCISA KEV update
  10. 2026-06-08 17:26 UTCCISA KEV update
  11. 2026-06-05 22:44 UTCEPSS rescore
  12. 2026-06-05 22:44 UTCEPSS rescore
  13. 2026-06-05 22:43 UTCCISA KEV update
  14. 2026-06-03 19:09 UTCCISA KEV update
  15. 2026-06-02 20:11 UTCEPSS rescore
  16. 2026-06-02 20:11 UTCEPSS rescore
  17. 2026-06-02 18:32 UTCCISA KEV update
  18. 2026-06-01 20:42 UTCCISA KEV update
  19. 2026-05-31 01:55 UTCOSV refresh
  20. 2026-05-31 00:14 UTCEPSS rescore
  21. 2026-05-31 00:14 UTCEPSS rescore
  22. 2026-05-29 22:20 UTCCISA KEV update
  23. 2026-05-27 20:35 UTCCISA KEV update
  24. 2026-05-26 19:13 UTCCISA KEV update
  25. 2026-05-22 19:13 UTCCISA KEV update
  26. 2026-05-21 22:36 UTCCISA KEV update
  27. 2026-05-20 17:33 UTCCISA KEV update
  28. 2026-05-18 22:00 UTCEG score recompute
  29. 2026-05-18 21:30 UTCEPSS rescore
  30. 2026-05-18 21:30 UTCEPSS rescore
  31. 2026-05-18 21:30 UTCEPSS rescore
  32. 2026-05-18 21:22 UTCCISA KEV update
  33. 2026-05-18 21:22 UTCCISA KEV update

Publicly available exploits

(10 references)

Working exploit code is in the public domain (1 Metasploit module) (7 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCShakun8/CVE-2017-9805
    First seen Oct 3, 2022

    CVE-2017-9805 POC

    Open source ↗
  • GitHub PoCchrisjd20/cve-2017-9805.py
    First seen Dec 4, 2017

    Better Exploit Code For CVE 2017 9805 apache struts

    Open source ↗
  • GitHub PoC0x00-0x00/-CVE-2017-9805
    First seen Nov 24, 2017

    Exploit script for Apache Struts2 REST Plugin XStream RCE (‎CVE-2017-9805)

    Open source ↗
  • GitHub PoCLone-Ranger/apache-struts-pwn_CVE-2017-9805
    First seen Sep 10, 2017

    An exploit for Apache Struts CVE-2017-9805

    Open source ↗
  • GitHub PoCmazen160/struts-pwn_CVE-2017-9805
    First seen Sep 9, 2017

    An exploit for Apache Struts CVE-2017-9805

    Open source ↗
  • GitHub PoChahwul/struts2-rce-cve-2017-9805-ruby
    First seen Sep 7, 2017

    cve -2017-9805

    Open source ↗
  • Exploit-DBEDB-42627
    First seen Sep 6, 2017

    Apache Struts 2.5 < 2.5.12 - REST Plugin XStream Remote Code Execution

    Open source ↗
  • GitHub PoCluc10/struts-rce-cve-2017-9805
    First seen Sep 6, 2017

    CVE 2017-9805

    Open source ↗
  • Metasploitexploit/multi/http/struts2_rest_xstream✓ verified
    First seen Sep 5, 2017

    Apache Struts 2 REST Plugin XStream RCE

    Open source ↗
  • Nucleihttp/cves/2017/CVE-2017-9805.yaml
    First seen Jan 1, 2017

    Apache Struts2 S2-052 - Remote Code Execution

    Open source ↗

Frequently asked(6)

What is CVE-2017-9805?
CVE-2017-9805 is a high vulnerability published on September 15, 2017. The REST Plugin in Apache Struts 2.1.1 through 2.3.x before 2.3.34 and 2.5.x before 2.5.13 uses an XStreamHandler with an instance of XStream for deserialization without any type filtering, which can lead to Remote Code Execution when deserializing XML payloads.
When was CVE-2017-9805 disclosed?
CVE-2017-9805 was first published in the National Vulnerability Database on September 15, 2017, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-9805 actively exploited?
Yes. CISA added CVE-2017-9805 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Apache Struts. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2017-9805?
CVE-2017-9805 has a CVSS v3 base score of 8.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2017-9805?
CVE-2017-9805 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-2017-9805?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-9805, 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.

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