CVE-2021-43857 : Vulnerability Insights and Analysis
Learn about CVE-2021-43857 affecting Gerapy, a distributed crawler management framework. Details include the impact, vulnerability description, affected systems, exploitation, and mitigation steps.
Gerapy is a distributed crawler management framework. Gerapy prior to version 0.9.8 is vulnerable to remote code execution, and this issue is patched in version 0.9.8.
Understanding CVE-2021-43857
Gerapy may contain a remote code execution vulnerability.
What is CVE-2021-43857?
- Gerapy, a distributed crawler management framework, is susceptible to remote code execution before version 0.9.8.
The Impact of CVE-2021-43857
- CVSS Score: 9.8 (Critical)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2021-43857
Gerapy's vulnerability details and affected systems.
Vulnerability Description
- Vulnerability Type: Improper Neutralization of Special Elements used in an OS Command (OS Command Injection) (CWE-78)
Affected Systems and Versions
- Product: Gerapy
- Vendor: Gerapy
- Versions Affected: < 0.9.8
Exploitation Mechanism
- The vulnerability allows remote attackers to execute arbitrary code on the target system.
Mitigation and Prevention
Steps to mitigate the vulnerability in Gerapy.
Immediate Steps to Take
- Users should update Gerapy to version 0.9.8 or higher to prevent exploitation.
- Monitor for any signs of unauthorized access or malicious activities.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Employ network segmentation and access controls to limit exposure to potential attacks.
Patching and Updates
- Ensure timely installation of security patches and updates provided by Gerapy.