CVE-2020-26173 : Security Advisory and Response
Learn about CVE-2020-26173, a vulnerability in Tangro Business Workflow allowing unauthorized document downloads. Find mitigation steps and long-term security practices here.
Tangro Business Workflow before 1.18.1 has an incorrect access control implementation that allows attackers to download documents without proper authentication.
Understanding CVE-2020-26173
This CVE involves a vulnerability in Tangro Business Workflow that enables unauthorized document downloads.
What is CVE-2020-26173?
The vulnerability in Tangro Business Workflow before version 1.18.1 allows attackers to download PDF documents by providing a valid document ID and token without requiring additional authentication.
The Impact of CVE-2020-26173
The impact of this vulnerability is rated as low severity with a CVSS base score of 3.1. It has a high attack complexity and requires low privileges, posing a risk to confidentiality.
Technical Details of CVE-2020-26173
This section provides more technical insights into the CVE.
Vulnerability Description
An incorrect access control implementation in Tangro Business Workflow before 1.18.1 allows attackers to download documents (PDF) by providing a valid document ID and token without further authentication.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability can be exploited over a network with high attack complexity, requiring low privileges and no user interaction.
Mitigation and Prevention
Protecting systems from CVE-2020-26173 is crucial to prevent unauthorized document downloads.
Immediate Steps to Take
- Update Tangro Business Workflow to version 1.18.1 or newer to mitigate the vulnerability.
- Implement proper access controls and authentication mechanisms to restrict unauthorized access.
Long-Term Security Practices
- Regularly monitor and audit document downloads and access logs for any suspicious activities.
- Conduct security training for users to raise awareness about the importance of secure document access.
Patching and Updates
- Stay informed about security updates and patches released by Tangro to address vulnerabilities like CVE-2020-26173.