CVE-2020-1758

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9

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.

Overview

CVE ID
CVE-2020-1758

Assigner
secalert@redhat.com

Vulnerability Status
Analyzed

Published Version
2020-05-15T19:15:12

Last Modified Date
2020-05-19T14:16:08

Weakness Enumerations

CWE	URL
CWE-295	http://cwe.mitre.org/data/definitions/295.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:redhat:keycloak::::::::	1	OR		10.0.0
cpe:2.3:a:redhat:openstack:10:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.9

Base Severity
MEDIUM

Exploitability Score
2.2

Impact Score
3.6

References

Reference URL	Reference Tags
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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-1758
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1758

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:31:46				Added to TrackCVE
2022-12-04 16:36:57	2020-05-15T19:15Z	2020-05-15T19:15:12	CVE Published Date	updated
2022-12-04 16:36:57		2020-05-19T14:16:08	CVE Modified Date	updated
2022-12-04 16:36:57		Analyzed	Vulnerability Status	updated