CVE-2016-4433 Apache Struts Open Redirect

What is CVE-2016-4433?

CVE-2016-4433 is a high-severity vulnerability in Apache Struts, published on 4 Jul 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Apache Struts 2 2.3.20 through 2.3.28.1 allows remote attackers to bypass intended access restrictions and conduct redirection attacks via a crafted request.

Weakness: CWE-20

Which versions are affected by CVE-2016-4433?

2 open source packages ship an affected version, including org.apache.struts.xwork:xwork-core. It affects 1 product.

Products include Apache Struts.

How do I fix CVE-2016-4433?

Upgrade org.apache.struts.xwork:xwork-core to 2.3.29 or later.

Is CVE-2016-4433 being exploited?

There is no known exploitation of CVE-2016-4433 in the wild and no public exploit code.

Other vulnerabilities in Apache Struts

• CVE-2020-17530 Apache Struts Remote Code Execution Exploited Critical 9.8
• CVE-2017-9791 Apache Struts 1 Improper Input Validation Exploited Critical 9.8
• CVE-2017-5638 Apache Struts Remote Code Execution Exploited Critical 9.8
• CVE-2012-0391 Apache Struts 2 Improper Input Validation Exploited Critical 9.8
• CVE-2018-11776 Apache Struts Remote Code Execution Exploited High 8.1

All Apache Struts vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wm8w-qp2f-728q.