CVE-2020-1758

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758	Issue Tracking Vendor Advisory
https://issues.redhat.com/browse/KEYCLOAK-13285	Permissions Required Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758	Issue Tracking Vendor Advisory
https://issues.redhat.com/browse/KEYCLOAK-13285	Permissions Required Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*

History

21 Nov 2024, 05:11

Type	Values Removed	Values Added
CVSS	v2 : ~~4.3~~ v3 : ~~5.9~~	v2 : 4.3 v3 : 5.3
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758 - Issue Tracking, Vendor Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758 - Issue Tracking, Vendor Advisory
References	~~() https://issues.redhat.com/browse/KEYCLOAK-13285 - Permissions Required, Vendor Advisory~~	() https://issues.redhat.com/browse/KEYCLOAK-13285 - Permissions Required, Vendor Advisory

Information

Published : 2020-05-15 19:15

Updated : 2024-11-21 05:11

NVD link : CVE-2020-1758

Mitre link : CVE-2020-1758

CVE.ORG link : CVE-2020-1758

JSON object : View

Products Affected

redhat

openstack
keycloak

CWE

CWE-297

Improper Validation of Certificate with Host Mismatch

CWE-295

Improper Certificate Validation

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