CVE-2020-6939: Tableau Server

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Tableau Server installations configured with Site-Specific SAML that allows the APIs to be used by unauthenticated users. If exploited, this could allow a malicious user to configure Site-Specific SAML settings and could lead to account takeover for users of that site. Tableau Server versions affected on both Windows and Linux are: 2018.2 through 2018.2.27, 2018.3 through 2018.3.24, 2019.1 through 2019.1.22, 2019.2 through 2019.2.18, 2019.3 through 2019.3.14, 2019.4 through 2019.4.13, 2020.1 through 2020.1.10, 2020.2 through 2020.2.7, and 2020.3 through 2020.3.2.

Affected products

• Tableau Tableau Server: from 2018.2, up to and including 2018.2.27; from 2018.3, up to and including 2018.3.24; from 2019.1, up to and including 2019.1.22; from 2019.2, up to and including 2019.2.18; from 2019.3, up to and including 2019.3.14; from 2019.4, up to and including 2019.4.13; …

Published 2020-11-23. Last modified 2026-06-17.