Auth bypass in Talend Data Catalog

CVE-2021-42837

An issue was discovered in Talend Data Catalog before 7.3-20210930. After setting up SAML/OAuth, authentication is not correctly enforced on the native login page. Any valid user from the SAML/OAuth provider can be used as the username with an arbitrary password, and login will succeed.

Vulnerability class: Broken Authentication

EPSS: 0.012 (63.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-42837?
CVE-2021-42837 is a critical-severity vulnerability in Talend Data Catalog, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-11-05.
How severe is CVE-2021-42837?
Critical severity. CVSS v3 base score is 9.8 out of 10.