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Vulnerability record · CVE-2015-5209 · published 29 August 2017

CVE-2015-5209: Apache struts improper input validation vulnerability

Apache · Struts

Apache Struts 2.x before 2.3.24.1 allows remote attackers to manipulate Struts internals, alter user sessions, or affect container settings via vectors involving a top object.

7.5 CVSS 3.0 High EPSS 9.1% · top 4.9% CWE-20 · Improper input validation
7.5CVSS 3.0 base score, v2 5.0
9.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Apache Struts 2.x before 2.3.24.1 allows remote attackers to manipulate Struts internals, alter user sessions, or affect container settings via vectors involving a top object.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/82550 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033908 Third Party AdvisoryVDB Entry
https://security.netapp.com/advisory/ntap-20180629-0002/
https://struts.apache.org/docs/s2-026.html MitigationVendor Advisory
http://www.securityfocus.com/bid/82550 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033908 Third Party AdvisoryVDB Entry
https://security.netapp.com/advisory/ntap-20180629-0002/
https://struts.apache.org/docs/s2-026.html MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-5209), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.