CVE-2021-30137 : Vulnerability Insights and Analysis
Discover the details of CVE-2021-30137 affecting Assyst 10 SP7.5, including its impact, technical description, affected systems, and mitigation strategies. Learn how to secure your systems.
A detailed analysis of CVE-2021-30137, focusing on the impact, technical details, and mitigation strategies.
Understanding CVE-2021-30137
This section delves into the specifics of the CVE-2021-30137 vulnerability.
What is CVE-2021-30137?
Assyst 10 SP7.5 is susceptible to an authenticated XXE vulnerability that leads to SSRF through XML unmarshalling. The application permits users to transmit JSON or XML data to the server, allowing the injection of malicious XML data through multiple entry points.
The Impact of CVE-2021-30137
With a CVSS base score of 7.7, this vulnerability has a high severity rating. It poses a significant threat to availability while confidentiality and integrity impacts are relatively low. The attack complexity is high, and user interaction is not required.
Technical Details of CVE-2021-30137
Explore the technical aspects of CVE-2021-30137 to understand its underlying mechanisms.
Vulnerability Description
The vulnerability in Assyst 10 SP7.5 enables threat actors to conduct SSRF attacks via XML unmarshalling by exploiting an authenticated XXE vulnerability. It arises due to the mishandling of XML data inputs.
Affected Systems and Versions
Assyst 10 SP7.5 is the specific version impacted by this vulnerability, making systems with this version potentially vulnerable to exploitation.
Exploitation Mechanism
Malicious actors can exploit this vulnerability by injecting crafted XML data through various user input channels, leading to SSRF attacks.
Mitigation and Prevention
Learn about the steps necessary to mitigate the risks associated with CVE-2021-30137.
Immediate Steps to Take
Immediate actions involve applying security patches, restricting XML input handling, and enhancing server-side input validation procedures.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and monitoring XML request payloads can enhance long-term security.
Patching and Updates
Ensure timely installation of security patches and updates released by the software vendor to address this vulnerability.