Authentication bypass in MESR901 - CVE-2017-7909

 

Authentication bypass in MESR901 - CVE-2017-7909

Published: May 4, 2017


Vulnerability identifier: #VU6419
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7909
CWE-ID: CWE-603
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Advantech B+B SmartWorx
Affected software:
MESR901

Detailed vulnerability description

The vulnerability allows a remote unauthenticated attacker to bypass authentication.

The weakness exists due to improper checking of client authentication and redirecting of unauthorized users by JavaScript. A remote attacker can intercept requests, bypass authentication and access restricted web pages.

Successful exploitation of this vulnerability results in access to the system.

How to mitigate CVE-2017-7909

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

Sources