CVE-2020-5426: Scheduler for TAS can transmit privileged UAA token in plaintext

23805

03 November 2020

03 November 2020

CLOSED

HIGH

CVE-2020-5426

Severity

High

Vendor

VMware Tanzu

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.

Affected VMware Products and Versions

Severity is high unless otherwise noted.

  • Pivotal Scheduler
    • All versions prior to 1.4.0

Mitigation

  • Pivotal Scheduler
    • 1.4.0

References

History

2020-11-03: Initial vulnerability report published.