apache struts CVE-2018-11776 is a vulnerability in Apache Struts
Published on August 22, 2018

Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn't have value and action set and in same time, its upper package have no or wildcard namespace.

NVD

Known Exploited Vulnerability

This Apache Struts 2.3 to 2.3.34 and 2.5 to 2.5.16 Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 contain a vulnerability which can allow for remote code execution.

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2018-11776 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. It has an exploitability score of 2.2 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.


Products Associated with CVE-2018-11776

You can be notified by stack.watch whenever vulnerabilities like CVE-2018-11776 are published in these products:

Apache Struts
 

What versions of Struts are vulnerable to CVE-2018-11776?