CVE-2016-1181 Improper Input Validation in Apache Struts

What is CVE-2016-1181?

CVE-2016-1181 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

ActionServlet.java in Apache Struts 1 1.x through 1.3.10 mishandles multithreaded access to an ActionForm instance, which allows remote attackers to execute arbitrary code or cause a denial of service (unexpected memory access) via a multipart request, a related issue to CVE-2015-0899.

Which versions are affected by CVE-2016-1181?

4 open source packages ship an affected version, including org.apache.struts:struts-core and struts:struts. It affects 3 products.

Products include Apache Struts, Oracle Banking Platform, Oracle Portal.

How do I fix CVE-2016-1181?

Upgrade to a fixed version.

Is CVE-2016-1181 being exploited?

There is no known exploitation of CVE-2016-1181 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-7jw3-5q4w-89qg.