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CVE-2021-4142

Estado: ModificadaMedia (5.5)—

The Candlepin component of Red Hat Satellite was affected by an improper authentication flaw. Few factors could allow an attacker to use the SCA (simple content access) certificate for authentication with Candlepin.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Candlepinproject — Candlepin

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-4142",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "candlepin",
          "versions": [
            {
              "status": "affected",
              "version": "Affects v3.1.28-2, v3.2.21-1, v4.1.8-1 and earlier are affected."
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-08-24T16:15:09.547",
  "references": [
    {
      "url": "https://access.redhat.com/security/cve/CVE-2021-4142",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034346",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/candlepin/candlepin/pull/3197",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/candlepin/candlepin/pull/3198",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/candlepin/candlepin/pull/3199",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2021-4142",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2034346",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/candlepin/candlepin/pull/3197",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/candlepin/candlepin/pull/3198",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/candlepin/candlepin/pull/3199",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        },
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Candlepin component of Red Hat Satellite was affected by an improper authentication flaw. Few factors could allow an attacker to use the SCA (simple content access) certificate for authentication with Candlepin."
    },
    {
      "lang": "es",
      "value": "El componente Candlepin de Red Hat Satellite estaba afectado por un fallo de autenticación inapropiado. Algunos factores podían permitir a un atacante usar el certificado SCA (Simple Content Access) para la autenticación con Candlepin."
    }
  ],
  "lastModified": "2026-06-17T04:19:06.480",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:candlepinproject:candlepin:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3F8E66F2-C51A-413B-A621-33CA21EDA81F",
              "versionEndIncluding": "3.1.28-2",
              "versionStartIncluding": "3.1.0"
            },
            {
              "criteria": "cpe:2.3:a:candlepinproject:candlepin:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "236D3F17-234D-41D9-A67D-0E919D60CE24",
              "versionEndIncluding": "3.2.21-1",
              "versionStartIncluding": "3.2.0"
            },
            {
              "criteria": "cpe:2.3:a:candlepinproject:candlepin:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2822E169-A7B8-4EDA-B913-AF98CFC1BCCF",
              "versionEndIncluding": "4.1.8-1",
              "versionStartIncluding": "4.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}