{
   "CVE_data_meta" : {
      "ASSIGNER" : "psampaio@redhat.com",
      "ID" : "CVE-2018-16886",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "etcd:",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "The etcd Project"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "etcd versions 3.2.x before 3.2.26 and 3.3.x before 3.3.11 are vulnerable to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. If an etcd client server TLS certificate contains a Common Name (CN) which matches a valid RBAC username, a remote attacker may authenticate as that user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway."
         }
      ]
   },
   "impact" : {
      "cvss" : [
         [
            {
               "vectorString" : "6.8/CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
               "version" : "3.0"
            }
         ]
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "CWE-287"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.2.md#security-authentication",
            "refsource" : "MISC",
            "url" : "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.2.md#security-authentication"
         },
         {
            "name" : "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.3.md#security-authentication",
            "refsource" : "MISC",
            "url" : "https://github.com/etcd-io/etcd/blob/1eee465a43720d713bb69f7b7f5e120135fdb1ac/CHANGELOG-3.3.md#security-authentication"
         },
         {
            "name" : "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886",
            "refsource" : "CONFIRM",
            "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16886"
         },
         {
            "name" : "RHSA-2019:0237",
            "refsource" : "REDHAT",
            "url" : "https://access.redhat.com/errata/RHSA-2019:0237"
         },
         {
            "name" : "106540",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/106540"
         }
      ]
   }
}