CVE-2020-26217 : Vulnerability Insights and Analysis
Learn about CVE-2020-26217, a vulnerability in XStream allowing Remote Code Execution. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
XStream before version 1.4.14 is vulnerable to Remote Code Execution. The vulnerability may allow a remote attacker to run arbitrary shell commands by manipulating the processed input stream. Only users who rely on blocklists are affected.
Understanding CVE-2020-26217
XStream vulnerability allowing Remote Code Execution.
What is CVE-2020-26217?
- XStream < 1.4.14 vulnerable to Remote Code Execution
- Attackers can run arbitrary shell commands via manipulated input stream
- Users relying on blocklists are affected
The Impact of CVE-2020-26217
- CVSS Score: 8 (High)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: Low
- User Interaction: Required
- Scope: Changed
- Confidentiality, Integrity, Availability Impact: High
Technical Details of CVE-2020-26217
XStream vulnerability details.
Vulnerability Description
- XStream < 1.4.14 allows Remote Code Execution
- Attackers can execute arbitrary shell commands
Affected Systems and Versions
- Product: XStream
- Vendor: X-Stream
- Versions Affected: < 1.4.14
Exploitation Mechanism
- Attackers manipulate input stream to execute shell commands
Mitigation and Prevention
Protecting systems from CVE-2020-26217.
Immediate Steps to Take
- Upgrade XStream to version 1.4.14
- Implement code workarounds if upgrade is not possible
Long-Term Security Practices
- Regularly update software and libraries
- Implement allowlists for security frameworks
Patching and Updates
- Ensure timely installation of security patches and updates