CVE-2021-21783 : Security Advisory and Response
Learn about CVE-2021-21783, a critical code execution flaw in Genivia gSOAP 2.8.107. Understand the impact, affected systems, exploitation method, and mitigation steps for this severe vulnerability.
This article provides details about CVE-2021-21783, a critical code execution vulnerability found in the WS-Addressing plugin functionality of Genivia gSOAP 2.8.107. Attackers can exploit this vulnerability through specially crafted SOAP requests, leading to remote code execution via an HTTP request.
Understanding CVE-2021-21783
CVE-2021-21783 is a severe vulnerability impacting Genivia gSOAP 2.8.107, allowing threat actors to execute arbitrary code remotely.
What is CVE-2021-21783?
CVE-2021-21783 is a code execution vulnerability present in Genivia gSOAP 2.8.107. Attackers can send a malicious SOAP request to trigger remote code execution, posing a significant security risk.
The Impact of CVE-2021-21783
The exploitability of this vulnerability is rated as critical with a CVSS base score of 9.8, highlighting the severe consequences of successful attacks. It can result in high impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2021-21783
This section delves into the technical aspects of the CVE-2021-21783 vulnerability.
Vulnerability Description
The vulnerability arises due to improperly handling SOAP requests in the WS-Addressing plugin of Genivia gSOAP 2.8.107, allowing malicious actors to execute code remotely.
Affected Systems and Versions
Genivia gSOAP versions 2.8.109 and 2.8.110 are affected by this vulnerability, making systems with these versions susceptible to remote code execution attacks.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending crafted SOAP requests to the affected system, abusing the WS-Addressing plugin to execute arbitrary code remotely.
Mitigation and Prevention
To safeguard systems from CVE-2021-21783, certain precautionary measures need to be implemented.
Immediate Steps to Take
It is crucial to apply security patches released by Genivia promptly to address the vulnerability and prevent exploitation. Additionally, network monitoring and access controls can help detect and mitigate potential attacks.
Long-Term Security Practices
Regular security audits, penetration testing, and keeping software up to date are essential practices to enhance system security and resilience against evolving threats.
Patching and Updates
Organizations should prioritize patching affected systems with the latest updates provided by Genivia to eliminate the vulnerability and enhance overall security posture.