Remote Code Execution Vulnerability in Apache Struts by Apache Software Foundation
CVE-2018-11776

8.1HIGH

Key Information:

Vendor: Apache
Status: Apache Struts
Vendor: CVE Published:; 22 August 2018

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%🦅 CISA Reported

Summary

Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 are susceptible to remote code execution when the 'alwaysSelectFullNamespace' feature is enabled. This can occur through user input or plugins such as the Convention Plugin when results are utilized without a namespace, while the parent's package either lacks a namespace or uses a wildcard. A similar risk arises with the 'url' tag lacking both a value and action, under the same namespace conditions.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Apache Struts 2.3 to 2.3.34

Apache Struts 2.5 to 2.5.16

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-11776 - Proof of Concept