CVE-2020-28929 : Exploit Details and Defense Strategies
Learn about CVE-2020-28929, a vulnerability in EPSON EPS TSE Server 8 (21.0.11) that allows unauthenticated attackers to remotely retrieve administrative hashed credentials. Find mitigation steps and preventive measures.
EPSON EPS TSE Server 8 (21.0.11) allows unauthenticated attackers to retrieve administrative hashed credentials remotely.
Understanding CVE-2020-28929
What is CVE-2020-28929?
Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) enables attackers to obtain administrative hashed credentials remotely.
The Impact of CVE-2020-28929
This vulnerability allows unauthenticated attackers to access sensitive administrative credentials, posing a significant security risk.
Technical Details of CVE-2020-28929
Vulnerability Description
Attackers can exploit the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) to retrieve administrative hashed credentials via a specific URI.
Affected Systems and Versions
- System: EPSON EPS TSE Server 8
- Version: 21.0.11
Exploitation Mechanism
Attackers can remotely retrieve administrative hashed credentials by accessing the maintenance/troubleshoot.php?download=1 URI.
Mitigation and Prevention
Immediate Steps to Take
- Restrict access to the affected functionality to authorized users only.
- Monitor and analyze log files for any unauthorized access attempts.
Long-Term Security Practices
- Regularly update and patch the EPSON EPS TSE Server to mitigate known vulnerabilities.
- Implement strong authentication mechanisms to prevent unauthorized access.
- Conduct security assessments and penetration testing to identify and address potential security weaknesses.
Patching and Updates
Apply security patches provided by EPSON to address the vulnerability in EPS TSE Server 8 (21.0.11).