CVE-2016-4438

Name: CVE-2016-4438
Creator: NVD / NIST
Published: 2016-07-04T22:59:09.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 17.17%

Last modified Jun 17, 2026

CVE-2016-4438 is a vulnerability of currently unknown severity. The REST plugin in Apache Struts 2 2.3.19 through 2.3.28.1 allows remote attackers to execute arbitrary code via a crafted expression.. EPSS estimates a 17.17% chance of exploitation in the next 30 days.

Description

The REST plugin in Apache Struts 2 2.3.19 through 2.3.28.1 allows remote attackers to execute arbitrary code via a crafted expression.

Metrics

EPSS Probability

17.17%

96.7th 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

References

http://jvn.jp/en/jp/JVN07710476/index.htmlVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000110VDB Entry, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.securityfocus.com/bid/91275Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1348238Issue Tracking, Third Party Advisory, VDB Entry
https://struts.apache.org/docs/s2-037.htmlVendor Advisory
http://jvn.jp/en/jp/JVN07710476/index.htmlVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000110VDB Entry, Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.securityfocus.com/bid/91275Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1348238Issue Tracking, Third Party Advisory, VDB Entry
https://struts.apache.org/docs/s2-037.htmlVendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2016-4438?

The REST plugin in Apache Struts 2 2.3.19 through 2.3.28.1 allows remote attackers to execute arbitrary code via a crafted expression.

How severe is CVE-2016-4438?

Severity scoring for CVE-2016-4438 is pending analysis. The EPSS model estimates a 17.17% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4438?

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-2016-4438?

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

Scan your code now

Source: NVD / NIST