Improper input validation in Apache Struts
Priority LOW 39CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
If an application allows enter an URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. Solution is to upgrade to Apache Struts version 2.5.12.
Why it matters now
EPSS 0.09835 95th percentileScored 2026-11-07
Fix Fixed org.apache.struts:struts2-core (Maven): 2.5.12
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache Struts | 2.5 to 2.5.10.1 | — | No fix listed | CNA |
| — | org.apache.struts:struts2-core (Maven) | 2.5.0 to before 2.5.12 | 2.5.12 | Patch available | GHSA-9gp7-jvm2-r4mx |
- Apache Struts VendorApache Affected 2.5 to 2.5.10.1 Fixed in — No fix listed CNA
- org.apache.struts:struts2-core (Maven) Vendor— Affected 2.5.0 to before 2.5.12 Fixed in 2.5.12 Patch available GHSA-9gp7-jvm2-r4mx
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:struts:2.5:*:*:*:*:*:*:* | 2.5 | Vulnerable | Apache |
| cpe:2.3:a:apache:struts:2.5.1:*:*:*:*:*:*:* | 2.5.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:struts:2.5.2:*:*:*:*:*:*:* | 2.5.2 | Vulnerable | Apache |
| cpe:2.3:a:apache:struts:2.5.5:*:*:*:*:*:*:* | 2.5.5 | Vulnerable | Apache |
| cpe:2.3:a:apache:struts:2.5.8:*:*:*:*:*:*:* | 2.5.8 | Vulnerable | Apache |
| cpe:2.3:a:apache:struts:2.5.10:*:*:*:*:*:*:* | 2.5.10 | Vulnerable | Apache |
| cpe:2.3:a:apache:struts:2.5.10.1:*:*:*:*:*:*:* | 2.5.10.1 | Vulnerable | Apache |
- cpe:2.3:a:apache:struts:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·Apache
- cpe:2.3:a:apache:struts:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·Apache
- cpe:2.3:a:apache:struts:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·Apache
- cpe:2.3:a:apache:struts:2.5.5:*:*:*:*:*:*:* Versions 2.5.5 Vulnerable ·Apache
- cpe:2.3:a:apache:struts:2.5.8:*:*:*:*:*:*:* Versions 2.5.8 Vulnerable ·Apache
- cpe:2.3:a:apache:struts:2.5.10:*:*:*:*:*:*:* Versions 2.5.10 Vulnerable ·Apache
- cpe:2.3:a:apache:struts:2.5.10.1:*:*:*:*:*:*:* Versions 2.5.10.1 Vulnerable ·Apache
Remediation
- Fix · GHSA-9gp7-jvm2-r4mx org.apache.struts:struts2-core (Maven) Fixed in 2.5.12 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat JBoss Enterprise Web Server 2
- Red Hat Satellite 5
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7672
- 2026-10-03 Alias added: GHSA-9gp7-jvm2-r4mx
References
Other 8
- http://www.oracle.com/technetwork/security-advisory/alert-cve-2017-9805-3889403.html
- https://security.netapp.com/advisory/ntap-20180706-0002/
- [announcements] 20170713 Apache Struts 2.5.12 GA with Security Fixes Release
- https://github.com/apache/struts
- https://lists.apache.org/thread.html/3795c4dd46d9ec75f4a6eb9eca11c11edd3e796c6c1fd7b17b5dc50d@%3Cannouncements.struts.apache.org%3E
- https://security.netapp.com/advisory/ntap-20180706-0002
- https://web.archive.org/web/20170907215142/http://www.securitytracker.com/id/1039114
- https://web.archive.org/web/20200227144724/http://www.securityfocus.com/bid/99563
More Apache Struts vulnerabilities
- TI-2020-13278 Expression language injection in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2017-07171 Improper input validation in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
- TI-2013-02013 Apache Struts 2.0.0 through 2.3.15 allows remote attackers to execute arbitrary OGNL… KEVCVSS 3.1CRITICAL 9.8
- TI-2012-00357 The ExceptionDelegator component in Apache Struts before 2.2.3.1 interprets parameter… KEVCVSS 3.1CRITICAL 9.8
- TI-2018-08433 Improper input validation in Apache Struts KEVCVSS 3.1HIGH 8.1
Sources
- CVE-2017-7672 · CVE Program
- CVE-2017-7672 · NVD
- FIRST EPSS
- GHSA-9gp7-jvm2-r4mx · GitHub Advisory Database · CC BY 4.0
- CVE-2017-7672 · Red Hat security data · CC BY 4.0
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