CVE-2020-1758
MEDIUM
5.9
CVSS Score
Published: May 15, 2020 at 06:52 PM UTC
Updated: June 17, 2026 at 03:02 AM UTC
2 products affected across 2 vendorsOpenStackKeycloak
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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.9%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 10.0.0
Affected range stops below 10.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758x_refsource_MISCPermissions RequiredVendor Advisory
Source: [email protected]
https://issues.redhat.com/browse/KEYCLOAK-13285CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-297CWE-295
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