CVE-2020-29441 Explained : Impact and Mitigation
Discover the CVE-2020-29441 vulnerability in OutSystems Platform 10 before 10.0.1019.0 allowing unauthenticated attackers to upload arbitrary files, potentially leading to Denial of Service and data corruption.
OutSystems Platform 10 before 10.0.1019.0 is affected by a vulnerability that allows unauthenticated attackers to upload arbitrary files, potentially leading to Denial of Service, data corruption, or file access denial.
Understanding CVE-2020-29441
This CVE identifies a security issue in the Upload Widget of OutSystems Platform 10.
What is CVE-2020-29441?
The vulnerability in the Upload Widget of OutSystems Platform 10 before version 10.0.1019.0 enables unauthenticated attackers to upload any files, posing risks of database space consumption, data corruption, and denial of access to legitimate files.
The Impact of CVE-2020-29441
The impact of this vulnerability is rated as HIGH with a CVSS base score of 7.2. The attack vector is through the network, with low complexity and low availability impact. While confidentiality impact is none, integrity impact is low, and no privileges are required for exploitation.
Technical Details of CVE-2020-29441
Outlining the technical aspects of the CVE.
Vulnerability Description
The vulnerability allows unauthenticated attackers to upload arbitrary files through the Upload Widget in OutSystems Platform 10.
Affected Systems and Versions
- Product: OutSystems Platform 10
- Versions affected: Before 10.0.1019.0
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Availability Impact: Low
- Confidentiality Impact: None
- Integrity Impact: Low
- Privileges Required: None
- Scope: Changed
- User Interaction: None
Mitigation and Prevention
Guidelines to mitigate and prevent exploitation of the vulnerability.
Immediate Steps to Take
- Upgrade OutSystems Platform to version 10.0.1019.0 or later.
- Implement proper access controls to restrict file uploads.
- Monitor file upload activities for suspicious behavior.
Long-Term Security Practices
- Regularly update and patch OutSystems Platform to address security vulnerabilities.
- Conduct security training for developers and administrators on secure coding practices.
Patching and Updates
- Apply security patches provided by OutSystems promptly.