CVE-2021-45071 Explained : Impact and Mitigation
Learn about CVE-2021-45071, a medium severity cross-site scripting (XSS) vulnerability in Odoo Community and Enterprise 15.0 and earlier, allowing remote attackers to execute arbitrary code.
Cross-site scripting (XSS) vulnerability in Odoo Community 15.0 and earlier, and Odoo Enterprise 15.0 and earlier, allows remote attackers to inject arbitrary web script into victims' browsers via crafted uploaded file names.
Understanding CVE-2021-45071
This CVE involves a significant XSS vulnerability affecting Odoo Community and Odoo Enterprise.
What is CVE-2021-45071?
Cross-site scripting (XSS) vulnerability in Odoo Community 15.0 and earlier, and Odoo Enterprise 15.0 and earlier, allows remote attackers to inject arbitrary web script in the browser of a victim, via crafted uploaded file names.
The Impact of CVE-2021-45071
- Severity: Medium
- CVSS Base Score: 5.3
- Attack Vector: Network
- Integrity Impact: High
- Privileges Required: None
- Successful exploitation could lead to arbitrary code execution in the context of the user's browser.
Technical Details of CVE-2021-45071
This section outlines specific technical details of the vulnerability.
Vulnerability Description
In Odoo Community 15.0 and earlier, and Odoo Enterprise 15.0 and earlier, a cross-site scripting (XSS) vulnerability exists due to improper validation of file names.
Affected Systems and Versions
- Affected Products: Odoo Community, Odoo Enterprise
- Versions: 15.0 and earlier
Exploitation Mechanism
The vulnerability allows remote attackers to inject malicious scripts into the victim's browser via manipulated file names during file uploads.
Mitigation and Prevention
Protecting systems from CVE-2021-45071 is crucial to prevent potential security breaches.
Immediate Steps to Take
- Update Odoo Community and Enterprise to versions above 15.0.
- Implement content security policies to mitigate XSS risks.
Long-Term Security Practices
- Educate users about safe browsing practices and avoiding suspicious downloads.
- Regularly monitor and audit uploaded files for malicious content.
Patching and Updates
- Stay informed about security patches and updates from Odoo.
- Apply patches promptly to ensure protection against known vulnerabilities.