Missing authentication for critical function in PR100088 Modbus gateway - CVE-2019-6533
Published: February 6, 2019
Vulnerability identifier: #VU17391
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-6533
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Kunbus
Affected software:
PR100088 Modbus gateway
PR100088 Modbus gateway
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication.
The vulnerability exists due to missing authentication for critical function. A remote attacker can read and write registers used to store Modbus values from the web interface without authentication.
How to mitigate CVE-2019-6533
Update to version R02.