Improper authentication in Siemens OZW772 and Siemens OZW672 - CVE-2017-6873

 

Improper authentication in Siemens OZW772 and Siemens OZW672 - CVE-2017-6873

Published: July 7, 2017


Vulnerability identifier: #VU7373
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-6873
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Siemens
Affected software:
Siemens OZW772
Siemens OZW672

Detailed vulnerability description

The vulnerability allows a remote attacker to obtain data on the target system.

The weakness exists in the integrated web server on Port 443/TCP due to improper authentication. A remote attacker can conduct man-in-the-middle attack to read and manipulate data in TLS sessions.

Successful exploitation of the vulnerability results in information disclosure and modification.

How to mitigate CVE-2017-6873

Cybersecurity Help is currently unaware of any official patch addressing the vulnerability.


Sources