CVE-2020-15419 : Exploit Details and Defense Strategies
Learn about CVE-2020-15419, a high-severity vulnerability in Veeam ONE 10.0.0.750_20200415 allowing remote attackers to access sensitive information. Find mitigation steps and prevention measures here.
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Veeam ONE 10.0.0.750_20200415. Authentication is not required to exploit this vulnerability. The flaw exists within the Reporter_ImportLicense class due to the improper restriction of XML External Entity (XXE) references.
Understanding CVE-2020-15419
This CVE-2020-15419 vulnerability in Veeam ONE 10.0.0.750_20200415 allows remote attackers to access sensitive information without authentication.
What is CVE-2020-15419?
CVE-2020-15419 is a vulnerability in Veeam ONE 10.0.0.750_20200415 that enables remote attackers to disclose sensitive data due to improper handling of XML External Entity references.
The Impact of CVE-2020-15419
- Confidentiality Impact: High
- Integrity Impact: None
- Availability Impact: None
- Base Score: 7.5 (High Severity)
Technical Details of CVE-2020-15419
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from the improper restriction of XML External Entity (XXE) references, allowing attackers to craft documents that lead to unauthorized access to sensitive information.
Affected Systems and Versions
- Affected Product: Veeam ONE
- Affected Version: 10.0.0.750_20200415
Exploitation Mechanism
Attackers can exploit this vulnerability by creating a specially crafted document with a URI that tricks the XML parser into accessing the URI and embedding the contents back into the XML document for further processing.
Mitigation and Prevention
Protecting systems from CVE-2020-15419 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches promptly
- Monitor for any unauthorized access or data disclosure
- Implement network segmentation to limit the impact of potential attacks
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities
- Conduct security assessments and penetration testing to identify and remediate weaknesses
- Educate users on safe computing practices to prevent social engineering attacks
Patching and Updates
Ensure that Veeam ONE is updated to the latest version to mitigate the vulnerability and follow best practices for secure configuration and usage.