CVE-2016-1851 Auth bypass in n/a

Medium 4.6 Published 20 May 2016 Updated 5 Aug 2024

Physically proximate attackers can bypass the macOS Screen Lock to reset expired passwords and gain unauthorized access to the system.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2016-1851?

CVE-2016-1851 is a medium-severity authentication bypass vulnerability in Apple Mac Os X, published on 20 May 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The Screen Lock feature in Apple OS X before 10.11.5 mishandles password profiles, which allows physically proximate attackers to reset expired passwords in the lock-screen state via unspecified vectors.

Which versions are affected by CVE-2016-1851?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2016-1851?

No fix has been published for CVE-2016-1851 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-2016-1851 being exploited?

There is no known exploitation of CVE-2016-1851 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-hh9j-m7rp-7rxr.