VulnerabilityModified
CVE-2020-1758
This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.
MEDIUM 5.9EPSS 0.91%
Does this matter?
Lower severity and a low EPSS score (0.91%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.91% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-297, CWE-295
- Affected
- redhat/keycloak · redhat/openstack
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758Issue Tracking, Vendor Advisory
- https://issues.redhat.com/browse/KEYCLOAK-13285Permissions Required, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758Issue Tracking, Vendor Advisory
- https://issues.redhat.com/browse/KEYCLOAK-13285Permissions Required, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.