CVE-2020-10709 Auth bypass in Tower
Attackers can obtain non-expiring OAuth2 refresh tokens, allowing persistent unauthorized access to Ansible Tower.
- 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-2020-10709?
CVE-2020-10709 is a high-severity authentication bypass vulnerability in Redhat Ansible Tower, published on 27 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw was found in Ansible Tower when requesting an OAuth2 token with an OAuth2 application. Ansible Tower uses the token to provide authentication. This flaw allows an attacker to obtain a refresh token that does not expire. The original token granted to the user still has access to Ansible Tower, which allows any user that can gain access to the token to be fully authenticated to Ansible Tower. This flaw affects Ansible Tower versions before 3.6.4 and Ansible Tower versions before 3.5.6.
Which versions are affected by CVE-2020-10709?
It affects 1 product.
Products include Redhat Ansible Tower.
How do I fix CVE-2020-10709?
No fix has been published for CVE-2020-10709 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-2020-10709 being exploited?
There is no known exploitation of CVE-2020-10709 in the wild and no public exploit code.
Other vulnerabilities in Redhat Ansible Tower
Sources
Also known as GHSA-g252-frw3-5wcr.