{
  "threat_severity" : "Low",
  "public_date" : "2020-12-07T00:00:00Z",
  "bugzilla" : {
    "description" : "keycloak: Account REST API can update user metadata attributes",
    "id" : "1905089",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1905089"
  },
  "cvss3" : {
    "cvss3_base_score" : "4.2",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-250",
  "details" : [ "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.", "A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application." ],
  "acknowledgement" : "This issue was discovered by Marek Posolda (Red Hat).",
  "affected_release" : [ {
    "product_name" : "Red Hat Single Sign-On 7.4 for RHEL 6",
    "release_date" : "2020-12-15T00:00:00Z",
    "advisory" : "RHSA-2020:5526",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7::el6",
    "package" : "rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el6sso"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.4 for RHEL 7",
    "release_date" : "2020-12-15T00:00:00Z",
    "advisory" : "RHSA-2020:5527",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7::el7",
    "package" : "rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el7sso"
  }, {
    "product_name" : "Red Hat Single Sign-On 7.4 for RHEL 8",
    "release_date" : "2020-12-15T00:00:00Z",
    "advisory" : "RHSA-2020:5528",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on:7::el8",
    "package" : "rh-sso7-keycloak-0:9.0.10-1.redhat_00001.1.el8sso"
  }, {
    "product_name" : "Text-Only RHSSO",
    "release_date" : "2020-12-15T00:00:00Z",
    "advisory" : "RHSA-2020:5533",
    "cpe" : "cpe:/a:redhat:red_hat_single_sign_on"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-27826\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27826" ],
  "name" : "CVE-2020-27826",
  "csaw" : false
}