CVE-2020-3977 Auth bypass in VMware Horizon DaaS
An attacker with a legitimate account can bypass two-factor authentication due to a flaw in first factor handling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3977?
CVE-2020-3977 is a medium-severity authentication bypass vulnerability in VMware Horizon DaaS, published on 22 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
VMware Horizon DaaS (7.x and 8.x before 8.0.1 Update 1) contains a broken authentication vulnerability due to a flaw in the way it handled the first factor authentication. Successful exploitation of this issue may allow an attacker to bypass two-factor authentication process. In order to exploit this issue, an attacker must have a legitimate account on Horizon DaaS.
Weakness: CWE-306
Which versions are affected by CVE-2020-3977?
It affects 1 product.
Products include Vmware Horizon Daas.
How do I fix CVE-2020-3977?
No fix has been published for CVE-2020-3977 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-2020-3977 being exploited?
There is no known exploitation of CVE-2020-3977 in the wild and no public exploit code.
Other vulnerabilities in VMware Horizon DaaS
Sources
Also known as GHSA-564r-7p67-986w.