CVE-2021-39151 Explained : Impact and Mitigation
Learn about CVE-2021-39151, a vulnerability in XStream allowing remote attackers to execute arbitrary code. Find out the impact, affected versions, and mitigation steps.
XStream, a library for serializing objects to XML, has a vulnerability allowing remote attackers to execute arbitrary code.
Understanding CVE-2021-39151
XStream vulnerability details and impact.
What is CVE-2021-39151?
XStream allows remote attackers to execute arbitrary code via manipulated input streams.
The Impact of CVE-2021-39151
The vulnerability has a high severity score, affecting confidentiality, integrity, and availability.
Technical Details of CVE-2021-39151
Insights into the vulnerability, affected systems, and exploitation.
Vulnerability Description
XStream vulnerability enables arbitrary code execution by remote attackers.
Affected Systems and Versions
- Product: xstream
- Vendor: x-stream
- Affected Version: < 1.4.18
Exploitation Mechanism
The attacker can load and execute code by manipulating input streams.
Mitigation and Prevention
Preventive measures and best practices to mitigate the vulnerability.
Immediate Steps to Take
- Upgrade XStream to version 1.4.18 or newer
- Implement XStream's security framework with a whitelist
Long-Term Security Practices
- Regularly update libraries and software components
- Conduct security audits and code reviews
Patching and Updates
Stay informed about security updates and apply patches promptly.