CVE-2016-6406 Auth bypass in n/a

Critical 9.8 Published Updated

Remote attackers can gain root access via a testing interface if an outdated Enrollment Client is installed on Cisco ESA devices.

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

What is CVE-2016-6406?

CVE-2016-6406 is a critical authentication bypass vulnerability in n/a, published on 22 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco IronPort AsyncOS 9.1.2-023, 9.1.2-028, 9.1.2-036, 9.7.2-046, 9.7.2-047, 9.7.2-054, 10.0.0-124, and 10.0.0-125 on Email Security Appliance (ESA) devices, when Enrollment Client before 1.0.2-065 is installed, allows remote attackers to obtain root access via a connection to the testing/debugging interface, aka Bug ID CSCvb26017.

Weakness: CWE-264

Which versions are affected by CVE-2016-6406?

It affects 1 product.

Products include Cisco Email Security Appliance Firmware.

How do I fix CVE-2016-6406?

No fix has been published for CVE-2016-6406 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-2016-6406 being exploited?

There is no known exploitation of CVE-2016-6406 in the wild and no public exploit code.

Sources

Also known as GHSA-vp5v-r76g-m4mx.

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