CVE-2021-27306 Auth bypass in n/a
Unauthenticated users can access protected routes in Kong Gateway without a valid JWT token due to improper access control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27306?
CVE-2021-27306 is a high-severity authentication bypass vulnerability in n/a, published on 18 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.
Weakness: CWE-706
Which versions are affected by CVE-2021-27306?
It affects 1 product.
Products include Konghq Kong Gateway.
How do I fix CVE-2021-27306?
No fix has been published for CVE-2021-27306 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-2021-27306 being exploited?
There is no known exploitation of CVE-2021-27306 in the wild and no public exploit code.
Sources
Also known as GHSA-vh85-5xw7-5gvq.