A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices for other users.
{
"cpe": [
"cpe:2.3:a:redhat:keycloak:8.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:redhat:keycloak:9.0.0:*:*:*:*:*:*:*"
],
"source": "CPE_STRING",
"extracted_events": [
{
"introduced": "8.0.2"
},
{
"last_affected": "8.0.2"
},
{
"introduced": "9.0.0"
},
{
"last_affected": "9.0.0"
}
]
}