CVE-2020-5426 Scheduler for TAS can transmit privileged UAA token in plaintext
Scheduler for TAS may transmit privileged UAA tokens in plaintext over non-TLS connections, allowing attackers to intercept tokens and gain admin access.
- 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-2020-5426?
CVE-2020-5426 is a high-severity vulnerability in VMware Tanzu Pivotal Scheduler, published on 11 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Scheduler for TAS prior to version 1.4.0 was permitting plaintext transmission of UAA client token by sending it over a non-TLS connection. This also depended on the configuration of the MySQL server which is used to cache a UAA client token used by the service. If intercepted the token can give an attacker admin level access in the cloud controller.
Weakness: CWE-319
Which versions are affected by CVE-2020-5426?
It affects 1 product.
Products include Vmware Pivotal Scheduler.
How do I fix CVE-2020-5426?
No fix has been published for CVE-2020-5426 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5426 being exploited?
There is no known exploitation of CVE-2020-5426 in the wild and no public exploit code.
Sources
Also known as GHSA-3cvg-mw7q-93pw.