Vulnerability in Keycloak

CVE-2017-12161

It was found that keycloak before 3.4.2 final would permit misuse of a client-side /etc/hosts entry to spoof a URL in a password reset request. An attacker could use this flaw to craft a malicious password reset request and gain a valid reset token, leading to information disclosure or further attacks.

EPSS: 0.013 (68.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-12161?
CVE-2017-12161 is a high-severity vulnerability in Keycloak, classified under CWE-602. CVSS score: 8.8/10. Published 2018-02-21.
How severe is CVE-2017-12161?
High severity. CVSS v3 base score is 8.8 out of 10.