CVE-2016-7114 Auth bypass in n/a

High 8.8 Published Updated

Attackers can bypass authentication on the web interface to perform administrative operations if a legitimate user is logged in.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-7114?

CVE-2016-7114 is a high-severity authentication bypass vulnerability in n/a, published on 6 Sep 2016. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions < V1.11.00; Firmware variant DNP3 TCP for EN100 Ethernet module : All versions < V1.03; Firmware variant IEC 104 for EN100 Ethernet module : All versions < V1.21; EN100 Ethernet module included in SIPROTEC Merging Unit 6MU80 : All versions < 1.02.02; SIPROTEC 7SJ686 : All versions < V 4.87; SIPROTEC 7UT686 : All versions < V 4.02; SIPROTEC 7SD686 : All versions < V 4.05; SIPROTEC 7SJ66 : All versions < V 4.30. Attackers with network access to the device's web interface (port 80/tcp) could possibly circumvent authentication and perform certain administrative operations. A legitimate user must be logged into the web interface for the attack to be successful.

Weakness: CWE-287

Which versions are affected by CVE-2016-7114?

It affects 1 product.

Products include Siemens En100 Ethernet Module Firmware.

How do I fix CVE-2016-7114?

No fix has been published for CVE-2016-7114 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2016-7114 being exploited?

There is no known exploitation of CVE-2016-7114 in the wild and no public exploit code.

Sources

Also known as GHSA-7qqj-72mh-gqcj.

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