A vulnerability has been found in Kunbus PR100088 Modbus Gateway up to R02 and classified as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a credentials management vulnerability (HTTP). The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An attacker could retrieve passwords from a HTTP GET request from the Kunbus PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166) if the attacker is in an MITM position.

The bug was discovered 02/05/2019. The weakness was published 02/05/2019 as ICSA-19-036-05 as confirmed security advisory (Website) via ICS-CERT. It is possible to read the advisory at ics-cert.us-cert.gov. The public release has been coordinated with Kunbus. This vulnerability is known as CVE-2019-6531 since 01/22/2019. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

Upgrading to version R03 eliminates this vulnerability.

Similar entries are available at 130672, 130673, 130674 and 130676.

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Vendor

• Kunbus

Name

• PR100088 Modbus Gateway

Version

• R02

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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