CVE-2020-5855 Auth bypass in Edge Client for Windows

Medium 4.3 Published Updated

Unauthorized users with physical access can gain shell access when Windows Logon Integration is enabled in BIG-IP Edge Client.

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-2020-5855?

CVE-2020-5855 is a medium-severity authentication bypass vulnerability in F5 Big-Ip Access Policy Manager, published on 6 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

When the Windows Logon Integration feature is configured for all versions of BIG-IP Edge Client for Windows, unauthorized users who have physical access to an authorized user's machine can get shell access under unprivileged user.

Which versions are affected by CVE-2020-5855?

It affects 2 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Access Policy Manager Client.

How do I fix CVE-2020-5855?

No fix has been published for CVE-2020-5855 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-2020-5855 being exploited?

There is no known exploitation of CVE-2020-5855 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-pr8j-wgf3-mgrx.

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