CVE-2017-9791 is a vulnerability in Apache Struts
Published on July 10, 2017
The Struts 1 plugin in Apache Struts 2.1.x and 2.3.x might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.
Known Exploited Vulnerability
This Apache Struts 1 Improper Input Validation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. The Struts 1 plugin in Apache Struts might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage.
The following remediation steps are recommended / required by August 10, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2017-9791 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
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-2017-9791
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Affected Versions
Apache Software Foundation Apache Struts:- Version 2.1.x series is affected.
- Version 2.3.x series is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.