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CVE-2022-21965

Estado: ModificadaAlta (7.5)—

Microsoft Teams Denial of Service Vulnerability

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)

Microsoft — Teams

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2022-21965",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft Teams for iOS",
          "versions": [
            {
              "status": "affected",
              "version": "2.0.0",
              "lessThan": "2.5.0",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Unknown"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Teams for Android",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0",
              "lessThan": "1416/1.0.0.2021040701",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Unknown"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Teams Admin Center",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0",
              "lessThan": "publication",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "Unknown"
          ]
        }
      ]
    }
  ],
  "published": "2022-02-09T17:15:08.537",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21965",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21965",
      "tags": [
        "Patch",
        "Vendor 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": "Microsoft Teams Denial of Service Vulnerability"
    },
    {
      "lang": "es",
      "value": "Una Vulnerabilidad de Denegación de Servicio en Microsoft Teams"
    }
  ],
  "lastModified": "2026-06-17T04:27:22.387",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:teams:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8254B40C-0B98-4025-B27B-2133CAA481DB",
              "versionEndExcluding": "1.0.94.20000"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:teams:-:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1E80A033-AE3B-42B5-9B0B-1B7B6C2B6C3D"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:teams:-:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B039BCD1-9945-4A0F-817B-D12EDD35E692"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}