Vulnerability CVE-2020-1758
Published: 2020-05-15

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.

Type:

CWE-295

 (Certificate Issues)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Redhat -> Keycloak 
Redhat -> Openstack 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758
https://issues.redhat.com/browse/KEYCLOAK-13285
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