CVE-2019-19229 : Exploit Details and Defense Strategies
Learn about CVE-2019-19229, a vulnerability in Fronius Solar Inverter devices allowing Directory Traversal attacks. Find out how to mitigate and prevent exploitation.
A vulnerability in the admincgi-bin/service.fcgi component of Fronius Solar Inverter devices prior to version 3.14.1 (HM 1.12.1) enables a Directory Traversal attack through the action=download&filename= parameter.
Understanding CVE-2019-19229
This CVE pertains to a specific vulnerability found in Fronius Solar Inverter devices.
What is CVE-2019-19229?
The vulnerability in the admincgi-bin/service.fcgi component of Fronius Solar Inverter devices allows for a Directory Traversal attack when using the action=download&filename= parameter.
The Impact of CVE-2019-19229
This vulnerability could potentially be exploited by malicious actors to gain unauthorized access to sensitive files and directories on the affected devices.
Technical Details of CVE-2019-19229
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in admincgi-bin/service.fcgi on Fronius Solar Inverter devices before version 3.14.1 (HM 1.12.1) allows for a Directory Traversal attack through the action=download&filename= parameter.
Affected Systems and Versions
- Affected System: Fronius Solar Inverter devices
- Affected Versions: Prior to 3.14.1 (HM 1.12.1)
Exploitation Mechanism
The vulnerability can be exploited by manipulating the action=download&filename= parameter to traverse directories and access unauthorized files.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial to maintaining security.
Immediate Steps to Take
- Update Fronius Solar Inverter devices to version 3.14.1 (HM 1.12.1) or later to mitigate the vulnerability.
- Monitor network traffic for any suspicious activity that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch all software and firmware to prevent known vulnerabilities.
- Implement access controls and restrictions to limit exposure to potential attacks.
Patching and Updates
- Stay informed about security advisories and updates from Fronius Solar Inverter to apply patches promptly.