CVE-2020-1758
MEDIUM5.9EPSS 0.25%Improper Certificate Validation and Improper Validation of Certificate with Host Mismatch in Keycloak
Published: 2/9/2022Modified: 11/8/2023
Description
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.
Affected packages (1)
- Maven/org.keycloak:keycloak-parentfrom 0, < 10.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |