CVE-2016-4431 Apache Struts Access Control Redirect
Remote attackers can bypass access restrictions and conduct redirection attacks in Apache Struts 2 by leveraging a default method.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-4431?
CVE-2016-4431 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 by leveraging a default method.
Weakness: CWE-20
Which versions are affected by CVE-2016-4431?
2 open source packages ship an affected version, including org.apache.struts:struts-parent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.struts:struts-parent Maven | From 2.3.20 | 2.3.29 |
org.apache.struts:struts-parent Maven | From 2.3.20 | 2.3.29 |
Products include Apache Struts.
How do I fix CVE-2016-4431?
Upgrade org.apache.struts:struts-parent to 2.3.29 or later.
Is CVE-2016-4431 being exploited?
There is no known exploitation of CVE-2016-4431 in the wild and no public exploit code.
Other vulnerabilities in Apache Struts
Sources
Also known as GHSA-vq79-mgpx-2wx4.