CVE-2016-5247 Security feature bypass in n/a

High 7.8 Published Updated

Local or physically proximate attackers can bypass Secure Boot protection in Lenovo BIOS by leveraging an AMI test key.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-5247?

CVE-2016-5247 is a high-severity vulnerability in n/a, published on 22 Sep 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The BIOS for Lenovo ThinkCentre E93, M6500t/s, M6600, M6600q, M6600t/s, M73p, M800, M83, M8500t/s, M8600t/s, M900, M93, and M93P devices; ThinkServer RQ940, RS140, TS140, TS240, TS440, and TS540 devices; and ThinkStation E32, P300, and P310 devices might allow local users or physically proximate attackers to bypass the Secure Boot protection mechanism by leveraging an AMI test key.

Weakness: CWE-254

Which versions are affected by CVE-2016-5247?

It affects 1 product.

Products include Lenovo Bios.

How do I fix CVE-2016-5247?

No fix has been published for CVE-2016-5247 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-5247 being exploited?

There is no known exploitation of CVE-2016-5247 in the wild and no public exploit code.

Sources

Also known as GHSA-m3q5-wvc8-gpj3.

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