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Vulnerability record · CVE-2020-6939 · published 23 November 2020

CVE-2020-6939: Tableau server vulnerability

Tableau · Tableau Server

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.

9.8 CVSS 3.1 Critical EPSS 1.8% · top 22.1%
9.8CVSS 3.1 base score, v2 10.0
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://help.salesforce.com/articleView?id=000355686&type=1&mode=1 Third Party Advisory
https://help.salesforce.com/articleView?id=000355686&type=1&mode=1 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-6939), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.