CVE-2020-5785 : What You Need to Know
Learn about CVE-2020-5785, an XSS vulnerability in Teltonika Gateway TRB245 firmware TRB2_R_00.02.04.3, allowing unauthenticated attackers to execute malicious scripts.
This CVE involves an insufficient output sanitization vulnerability in Teltonika firmware TRB2_R_00.02.04.3, allowing unauthenticated attackers to execute reflected cross-site scripting attacks.
Understanding CVE-2020-5785
This CVE identifies a security issue in Teltonika Gateway TRB245 firmware version TRB2_R_00.02.04.3.
What is CVE-2020-5785?
The vulnerability in the Teltonika firmware TRB2_R_00.02.04.3 enables unauthenticated attackers to perform reflected cross-site scripting attacks using specially crafted parameters.
The Impact of CVE-2020-5785
The vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2020-5785
Teltonika Gateway TRB245 firmware version TRB2_R_00.02.04.3 is affected by this vulnerability.
Vulnerability Description
The flaw arises from insufficient output sanitization, enabling attackers to inject and execute malicious scripts through crafted parameters.
Affected Systems and Versions
- Teltonika Gateway TRB245 with TRB2_R_00.02.04.3 firmware
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the 'action' or 'pkg_name' parameter to inject malicious scripts.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2020-5785.
Immediate Steps to Take
- Apply security patches provided by Teltonika promptly
- Monitor network traffic for suspicious activities
- Implement web application firewalls to filter and block malicious traffic
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities
- Conduct security assessments and penetration testing to identify and address weaknesses
- Educate users and administrators about safe browsing habits and security best practices
Patching and Updates
Teltonika should release patches addressing the insufficient output sanitization issue in TRB2_R_00.02.04.3 firmware to prevent further exploitation.