Expression Language Injection in Apache Struts

The fix issued for CVE-2020-17530 was incomplete. So from Apache Struts 2.0.0 to 2.5.29, still some of the tag’s attributes could perform a double evaluation if a developer applied forced OGNL evaluation by using the %... syntax. Using forced OGNL evaluation on untrusted user input can lead to a...

CVE-2021-31805

The fix issued for CVE-2020-17530 was incomplete. So from Apache Struts 2.0.0 to 2.5.29, still some of the tag’s attributes could perform a double evaluation if a developer applied forced OGNL evaluation by using the %... syntax. Using forced OGNL evaluation on untrusted user input can lead to a...

Remote code execution in Apache Struts

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution...

Apache Struts forced OGNL evaluation

Added: 02/03/2021 Background Apache Struts is an open-source web application framework for developing Java EE web applications. It uses and extends the Java Servlet API to encourage developers to adopt a model-view-controller MVC architecture. Struts uses Object-Graph Navigation Language OGNL to...

Remote code execution

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25...

CVE-2020-17530

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25...

CVE-2020-17530

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 – Struts 2.5.25. Recent assessments: wvu-r7 at December 08, 2020 6:53pm UTC reported: See my assessment on CVE-2019-0230. Apache themselves said...