CVE-2020-26258 is a vulnerability that was discovered in 2020. This flaw affects the open-source software library called WSO2, which is used in various enterprise applications to enable web services communication. The vulnerability allows an attacker to execute arbitrary code on the server hosting the vulnerable application, potentially leading to data theft or system compromise.
The vulnerability stems from improper input validation in the WSO2 Transport Security component. Specifically, the component fails to properly sanitize user-supplied input, allowing an attacker to inject malicious code into a SOAP message. Successful exploitation of this vulnerability requires the attacker to have network access to the vulnerable server and the ability to send malicious requests to the WSO2 endpoint.
Following the discovery of this vulnerability, the WSO2 project team quickly released a security patch that addresses the issue. It is highly recommended that organizations using WSO2 update their installations to the latest version as soon as possible to mitigate the risk of exploitation. Additionally, organizations should review their network security controls to limit access to WSO2 endpoints and monitor for any suspicious activity that may indicate an attempted attack.