{
  "threat_severity" : "Low",
  "public_date" : "2021-04-07T00:00:00Z",
  "bugzilla" : {
    "description" : "jenkins: lack of type validation in agent related REST API",
    "id" : "1947102",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1947102"
  },
  "cvss3" : {
    "cvss3_base_score" : "3.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-20",
  "details" : [ "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.", "A flaw was found in Jenkins. Due to lack of validation of type of object created after loading the data submitted to the config.xml REST API endpoint of a node, an attackers with Computer/Configure permission are able to replace a node with one of a different type." ],
  "affected_release" : [ {
    "product_name" : "Red Hat OpenShift Container Platform 4.7",
    "release_date" : "2021-05-19T00:00:00Z",
    "advisory" : "RHSA-2021:1551",
    "cpe" : "cpe:/a:redhat:openshift:4.7::el8",
    "package" : "jenkins-0:2.277.3.1620393611-1.el8"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.8",
    "release_date" : "2021-07-27T00:00:00Z",
    "advisory" : "RHSA-2021:2437",
    "cpe" : "cpe:/a:redhat:openshift:4.8::el8",
    "package" : "jenkins-0:2.289.1.1624020353-1.el8"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Fuse 7",
    "fix_state" : "Not affected",
    "package_name" : "jenkins",
    "cpe" : "cpe:/a:redhat:jboss_fuse:7"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 3.11",
    "fix_state" : "Fix deferred",
    "package_name" : "jenkins",
    "cpe" : "cpe:/a:redhat:openshift:3.11"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-21639\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-21639" ],
  "name" : "CVE-2021-21639",
  "csaw" : false
}