CVE-2020-8099 Link Resolution Privilege Escalation Vulnerability in Bitdefender Antivirus Free (VA-8387)

High 7.1 Published 21 Apr 2020 Updated 16 Sep 2024

An unprivileged user can exploit improper junction handling to restore quarantined files to privileged locations, leading to privilege escalation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-8099?

CVE-2020-8099 is a high-severity vulnerability in Bitdefender Antivirus Free, published on 21 Apr 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A vulnerability in the improper handling of junctions in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects: Bitdefender Antivirus Free versions prior to 1.0.17.

Weakness: CWE-59

Which versions are affected by CVE-2020-8099?

It affects 1 product.

Products include Bitdefender Antivirus 2020.

How do I fix CVE-2020-8099?

No fix has been published for CVE-2020-8099 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-8099 being exploited?

There is no known exploitation of CVE-2020-8099 in the wild and no public exploit code.

Sources

Also known as GHSA-2p9j-94vg-6vx9.