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Vulnerability of Keycloak: privilege escalation via External Identity Provider Replay

Synthesis of the vulnerability 

An attacker can bypass restrictions via External Identity Provider Replay of Keycloak, in order to escalate his privileges.
Vulnerable systems: Red Hat SSO.
Severity of this threat: 2/4.
Creation date: 23/03/2021.
Références of this weakness: CVE-2020-14302, RHSA-2021:0967-01, RHSA-2021:0968-01, RHSA-2021:0969-01, RHSA-2021:0974-01, VIGILANCE-VUL-34922.

Description of the vulnerability 

An attacker can bypass restrictions via External Identity Provider Replay of Key...
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This security threat impacts software or systems such as Red Hat SSO.

Our Vigil@nce team determined that the severity of this computer weakness note is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this computer threat alert.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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