Apache Struts 2.0.0 through 2.3.x before 2.3.20 uses predictable values, which allows remote attackers to bypass the CSRF protection mechanism.
CVE-2014-7809
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 6.8 — v2 rates that MEDIUM (v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; v2 has no CRITICAL band). Vector AV:N/AC:M/Au:N/C:P/I:P/A:P. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 3.5% exploitation probability in the next 30 days, which is reflected in EG Risk but does not lift the v2 base. Confidence: LOW.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v2.0 (legacy)
- 6.8MEDIUMNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 6.8(low)
- EG Risk
- 36(Track)EG Risk 36/100SSVC: Track
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 computedSeverity68% × 45%Exploitation3% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 3%
- EPSS %ILE
- 88%
- KEV
- Not listed
Published
December 10, 2014
Last Modified
May 6, 2026
References (16)
- secalert@redhathttp://packetstormsecurity.com/files/129421/Apache-Struts-2.3.20-Security-Fixes.html
- secalert@redhathttp://struts.apache.org/docs/s2-023.html
- secalert@redhathttp://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
- secalert@redhathttp://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- secalert@redhathttp://www.securityfocus.com/archive/1/534175/100/0/threaded
- secalert@redhathttp://www.securityfocus.com/bid/71548
- secalert@redhathttp://www.securitytracker.com/id/1031309
- af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/129421/Apache-Struts-2.3.20-Security-Fixes.html
- af854a3a-2127-422b-91ae-364da2661108http://struts.apache.org/docs/s2-023.html
- af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
- af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/534175/100/0/threaded
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/71548
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.apache.struts:struts2-core | 2.0.11 ... 2.3.8 (38 versions) | 2.3.20 | — |
Data Freshness Timeline
(refreshed 11× in last 7d / 38× 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.
- 2026-07-26 14:50 UTCEPSS rescore
- 2026-07-26 13:52 UTCEG score recompute▲ 6.80
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- 2026-07-23 01:14 UTCEG score recompute
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 14:41 UTCEG score recompute
- 2026-05-28 13:42 UTCEPSS rescore
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Frequently asked(4)
What is CVE-2014-7809?
When was CVE-2014-7809 disclosed?
Is CVE-2014-7809 actively exploited?
How do I remediate CVE-2014-7809?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2014-7809
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