{
  "threat_severity" : "Moderate",
  "public_date" : "2021-04-06T00:00:00Z",
  "bugzilla" : {
    "description" : "mediawiki: Special: Contributions toolbar reveals existence of hidden users",
    "id" : "1948643",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1948643"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.4",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
    "status" : "draft"
  },
  "cwe" : "CWE-200",
  "details" : [ "An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a \"hidden\" user exists.", "In mediawiki package, the \"Special:Contributions\" functionality can leak information that a \"hidden\" user exists." ],
  "statement" : "The mediawiki package was removed from OpenShift Container Platform (OCP) in version 4.3, therefore for OCP 4 has been marked as out of support scope.",
  "package_state" : [ {
    "product_name" : "Red Hat OpenShift Container Platform 3.11",
    "fix_state" : "Will not fix",
    "package_name" : "mediawiki",
    "cpe" : "cpe:/a:redhat:openshift:3.11"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Out of support scope",
    "package_name" : "mediawiki",
    "cpe" : "cpe:/a:redhat:openshift:4"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-30156\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-30156" ],
  "name" : "CVE-2021-30156",
  "csaw" : false
}