Is CVE-2020-6939 actively exploited?

No active exploitation of CVE-2020-6939 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-6939 be exploited remotely?

Yes. CVE-2020-6939 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-6939?

CVE-2020-6939 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-6939

CRITICAL

CVE-2020-6939

NVD-CWE-noinfoPublished: November 23, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-6939 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.