CVE-2016-4465

Name: CVE-2016-4465
Creator: NVD / NIST
Published: 2016-07-04T22:59:10.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 10.64%

Last modified Jun 17, 2026

CVE-2016-4465 is a vulnerability of currently unknown severity. The URLValidator class in Apache Struts 2 2.3.20 through 2.3.28.1 and 2.5.x before 2.5.1 allows remote attackers to cause a denial of service via a null value for a URL field.. EPSS estimates a 10.64% chance of exploitation in the next 30 days.

Description

The URLValidator class in Apache Struts 2 2.3.20 through 2.3.28.1 and 2.5.x before 2.5.1 allows remote attackers to cause a denial of service via a null value for a URL field.

Metrics

EPSS Probability

10.64%

95.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Apache	Struts	2.3.20
Apache	Struts	2.3.20.1
Apache	Struts	2.3.20.3
Apache	Struts	2.3.24
Apache	Struts	2.3.24.1
Apache	Struts	2.3.24.3
Apache	Struts	2.3.28
Apache	Struts	2.3.28.1
Apache	Struts	2.5

References

http://jvn.jp/en/jp/JVN12352818/index.htmlVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000114VDB Entry, Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21987854Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.securityfocus.com/bid/91278
https://bugzilla.redhat.com/show_bug.cgi?id=1348253Issue Tracking
https://struts.apache.org/docs/s2-041.htmlVendor Advisory
http://jvn.jp/en/jp/JVN12352818/index.htmlVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000114VDB Entry, Vendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21987854Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.securityfocus.com/bid/91278
https://bugzilla.redhat.com/show_bug.cgi?id=1348253Issue Tracking
https://struts.apache.org/docs/s2-041.htmlVendor Advisory

Timeline

Published: Jul 4, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4465?

The URLValidator class in Apache Struts 2 2.3.20 through 2.3.28.1 and 2.5.x before 2.5.1 allows remote attackers to cause a denial of service via a null value for a URL field.

How severe is CVE-2016-4465?

Severity scoring for CVE-2016-4465 is pending analysis. The EPSS model estimates a 10.64% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4465?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4465?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST