« Volver al listado

CVE-2020-4788

Estado: ModificadaMedia (4.7)—

IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296.

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 (6)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-4788",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 1.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.1,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.4
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "VIOS",
          "versions": [
            {
              "status": "affected",
              "version": "3.1"
            }
          ]
        },
        {
          "vendor": "IBM",
          "product": "AIX",
          "versions": [
            {
              "status": "affected",
              "version": "7.1"
            },
            {
              "status": "affected",
              "version": "7.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-11-20T04:15:11.063",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2020/11/20/3",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2020/11/23/1",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/189296",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/",
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/",
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6370729",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2020/11/20/3",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2020/11/23/1",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/189296",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6370729",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpujul2022.html",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296."
    },
    {
      "lang": "es",
      "value": "Los procesadores IBM Power9 (AIX versiones 7.1, 7.2 y VIOS versión 3.1), podrían permitir a un usuario local obtener información confidencial de los datos en la caché L1 en circunstancias atenuantes. IBM X-Force ID: 189296"
    }
  ],
  "lastModified": "2026-06-17T03:20:29.140",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:vios:3.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3939ADB4-5177-45C2-9C29-932E81D27F9E"
            },
            {
              "criteria": "cpe:2.3:a:ibm:vios:3.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B809C4C8-2FE4-4DB6-8975-4259FF705D32"
            },
            {
              "criteria": "cpe:2.3:a:ibm:vios:3.1.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4149DA62-D7FA-4431-8139-419AAB6EE744"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:7.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B1C208E-967A-40B1-AD9D-AFBA78D3C317"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:7.1.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "48F204DE-2F8F-4854-A127-9CF20F3CEC2A"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:7.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1AE65FF3-C4F6-4BAF-85D3-CA86D16E8B60"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:7.2.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF8D4C29-833C-4467-B06A-D8067AAEF3D3"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:7.2.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "984D9159-2FF2-4D1E-94F7-CC207C04F125"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:7.2.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AB863845-F3F4-46AD-B686-F9B6B7EF3607"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:ibm:power9:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "7BA7D79D-5032-41BC-BC5C-1029BD551FAF"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6EDB6772-7FDB-45FF-8D72-952902A7EE56"
            },
            {
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9955F62A-75D3-4347-9AD3-5947FC365838"
            },
            {
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7A6D77C7-A2F4-4700-AB5A-3EC853496ECA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}