CVE-2020-25780 : What You Need to Know
CVE-2020-25780 exposes a Directory Traversal flaw in CommCell in Commvault versions before 14.68, 15.x before 15.58, 16.x before 16.44, 17.x before 17.29, and 18.x before 18.13, allowing unauthorized access to files outside the log-files folder.
In CommCell in Commvault before 14.68, 15.x before 15.58, 16.x before 16.44, 17.x before 17.29, and 18.x before 18.13, a Directory Traversal vulnerability exists that could allow an attacker to view files outside of the log-files folder.
Understanding CVE-2020-25780
This CVE identifies a security issue in CommCell within specific versions of Commvault software.
What is CVE-2020-25780?
The vulnerability in CommCell in Commvault software versions allows for Directory Traversal, enabling unauthorized access to files outside the intended directory.
The Impact of CVE-2020-25780
The vulnerability could lead to unauthorized access to sensitive files, potentially compromising the confidentiality and integrity of data stored within the affected system.
Technical Details of CVE-2020-25780
Commvault software versions before 14.68, 15.x before 15.58, 16.x before 16.44, 17.x before 17.29, and 18.x before 18.13 are susceptible to this Directory Traversal vulnerability.
Vulnerability Description
The flaw allows an attacker to manipulate file paths and access files located outside the designated log-files folder.
Affected Systems and Versions
- Commvault versions before 14.68, 15.x before 15.58, 16.x before 16.44, 17.x before 17.29, and 18.x before 18.13
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting specific requests to traverse directories and access files outside the intended scope.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Update Commvault software to versions 14.68, 15.58, 16.44, 17.29, or 18.13 or later to mitigate the vulnerability.
- Monitor and restrict access to sensitive files and directories.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities.
- Implement access controls and least privilege principles to limit unauthorized access.
Patching and Updates
- Apply patches and updates provided by Commvault to fix the Directory Traversal vulnerability.