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CVE-2021-20411

Estado: ModificadaAlta (8.1)—

IBM Security Verify Information Queue 1.0.6 and 1.0.7 could allow a user to impersonate another user on the system due to incorrectly updating the session identifier. IBM X-Force ID: 198191.

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)

IBM — Security Verify Information Queue

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-20411",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.8,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 1.2
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "Security Verify Information Queue",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.6"
            },
            {
              "status": "affected",
              "version": "1.0.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-02-12T17:15:14.153",
  "references": [
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196191",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6414777",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196191",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6414777",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-669"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Security Verify Information Queue 1.0.6 and 1.0.7 could allow a user to impersonate another user on the system due to incorrectly updating the session identifier. IBM X-Force ID: 198191."
    },
    {
      "lang": "es",
      "value": "IBM Security Verify Information Queue versiones 1.0.6 y 1.0.7, podría permitir a un usuario suplantar a otro usuario en el sistema debido a una actualización incorrecta del identificador de sesión. IBM X-Force ID: 198191"
    }
  ],
  "lastModified": "2026-06-17T03:33:48.780",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
            {
              "criteria": "cpe:2.3:a:ibm:security_verify_information_queue:1.0.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2716C038-2A51-449D-9939-8A9AA683F5F2"
            }
          ],
          "operator": "OR"
        },
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          "cpeMatch": [
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            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}