{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Moderate"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "title": "BMC controller credential leak via API",
    "tracking": {
      "current_release_date": "2026-07-28T07:02:55+00:00",
      "generator": {
        "date": "2026-07-28T07:02:55+00:00",
        "engine": {
          "name": "CSAF Generator",
          "version": "3.1.0"
        }
      },
      "id": "CVE-2021-20256",
      "initial_release_date": "2021-02-19T19:30:00+00:00",
      "revision_history": [
        {
          "date": "2026-07-28T07:02:55+00:00",
          "number": "1",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "category": "vendor",
        "name": "Red Hat",
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Satellite",
            "product": {
              "name": "Red Hat Satellite",
              "product_id": "rhn_satellite_6-default",
              "product_identification_helper": {
                "cpe": "cpe:/a:redhat:satellite:6"
              }
            }
          },
          {
            "category": "product_name",
            "name": "Red Hat Satellite 6.10.0",
            "product": {
              "name": "Red Hat Satellite 6.10.0",
              "product_id": "rhn_satellite_6.10::el7",
              "product_identification_helper": {
                "cpe": "cpe:/a:redhat:satellite_capsule:6.10::el7"
              }
            }
          },
          {
            "category": "product_version",
            "name": "satellite",
            "product": {
              "name": "satellite",
              "product_id": "satellite-0:6.10.0-3.el7sat",
              "product_identification_helper": {
                "purl": "pkg:rpm/redhat/satellite@6.10.0-3.el7sat?epoch=0"
              }
            }
          },
          {
            "category": "product_version",
            "name": "satellite",
            "product": {
              "name": "satellite",
              "product_id": "satellite-0:6.10.0-3.el7sat.src",
              "product_identification_helper": {
                "purl": "pkg:rpm/redhat/satellite@6.10.0-3.el7sat?arch=src&epoch=0"
              }
            }
          },
          {
            "category": "product_version",
            "name": "satellite-capsule",
            "product": {
              "name": "satellite-capsule",
              "product_id": "satellite-capsule-0:6.10.0-3.el7sat",
              "product_identification_helper": {
                "purl": "pkg:rpm/redhat/satellite-capsule@6.10.0-3.el7sat?epoch=0"
              }
            }
          },
          {
            "category": "product_version",
            "name": "satellite",
            "product": {
              "name": "satellite",
              "product_id": "satellite.src",
              "product_identification_helper": {
                "purl": "pkg:rpm/redhat/satellite?arch=src"
              }
            }
          }
        ]
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "satellite-0:6.10.0-3.el7sat as a component of Red Hat Satellite 6.10.0",
          "product_id": "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat"
        },
        "product_reference": "satellite-0:6.10.0-3.el7sat",
        "relates_to_product_reference": "rhn_satellite_6.10::el7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "satellite-0:6.10.0-3.el7sat.src as a component of Red Hat Satellite 6.10.0",
          "product_id": "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat.src"
        },
        "product_reference": "satellite-0:6.10.0-3.el7sat.src",
        "relates_to_product_reference": "rhn_satellite_6.10::el7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "satellite-capsule-0:6.10.0-3.el7sat as a component of Red Hat Satellite 6.10.0",
          "product_id": "rhn_satellite_6.10::el7:satellite-capsule-0:6.10.0-3.el7sat"
        },
        "product_reference": "satellite-capsule-0:6.10.0-3.el7sat",
        "relates_to_product_reference": "rhn_satellite_6.10::el7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "satellite.src as a component of Red Hat Satellite",
          "product_id": "rhn_satellite_6-default:satellite.src"
        },
        "product_reference": "satellite.src",
        "relates_to_product_reference": "rhn_satellite_6-default"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-20256",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2021-02-18T00:00:00+00:00",
      "notes": [
        {
          "category": "other",
          "text": "Red Hat Satellite is vulnerable to the BMC controller credential leak through the compute host API. Red Hat Product Security has rated this flaw as having a security impact of Moderate. Please refer to https://access.redhat.com/security/updates/classification for clarification on the scoring.",
          "title": "Statement"
        },
        {
          "category": "description",
          "text": "A flaw was found in Red Hat Satellite. The BMC interface exposes the password through the API to an authenticated local attacker with view_hosts permission. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        }
      ],
      "product_status": {
        "fixed": [
          "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat",
          "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat.src",
          "rhn_satellite_6.10::el7:satellite-capsule-0:6.10.0-3.el7sat"
        ],
        "known_affected": [
          "rhn_satellite_6-default:satellite.src"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-20256"
        },
        {
          "category": "external",
          "summary": "nvd.nist.gov",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20256"
        },
        {
          "category": "external",
          "summary": "www.cve.org",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-20256"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "details": "Affected",
          "product_ids": [
            "rhn_satellite_6-default:satellite.src"
          ]
        },
        {
          "category": "vendor_fix",
          "date": "2021-11-16T15:43:05+00:00",
          "details": "Apply advisory RHSA-2021:4702 as per vendors instructions.",
          "product_ids": [
            "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat",
            "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat.src",
            "rhn_satellite_6.10::el7:satellite-capsule-0:6.10.0-3.el7sat"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2021:4702"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM"
          },
          "products": [
            "rhn_satellite_6-default:satellite.src",
            "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat",
            "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat.src",
            "rhn_satellite_6.10::el7:satellite-capsule-0:6.10.0-3.el7sat"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate",
          "product_ids": [
            "rhn_satellite_6-default:satellite.src",
            "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat",
            "rhn_satellite_6.10::el7:satellite-0:6.10.0-3.el7sat.src",
            "rhn_satellite_6.10::el7:satellite-capsule-0:6.10.0-3.el7sat"
          ]
        }
      ],
      "title": "BMC controller credential leak via API"
    }
  ]
}