Remote Code Execution in Apache Struts Plugin
CVE-2017-9791

9.8CRITICAL

Key Information:

Vendor: Apache
Status: Apache Struts
Vendor: CVE Published:; 10 July 2017

Badges

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

Summary

The Struts 1 plugin in Apache Struts versions 2.1.x and 2.3.x is susceptible to a security vulnerability that could enable remote code execution. This occurs when a malicious user sends a specially crafted field value within a raw message to the ActionMessage component. If exploited, this vulnerability may allow unauthorized execution of arbitrary code on the server, posing a significant risk to applications that utilize these versions of Apache Struts.

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 2.1.x series

Apache Struts 2.3.x series

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-2017-9791 - Proof of Concept

Struts2-048
Created by dragoneeg