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FKIE_CVE-2021-20494

Vulnerability from fkie_nvd - Published: 2021-06-28 16:15 - Updated: 2026-06-17 03:33
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap based buffer overflow, caused by improper bounds. An authenticared user could overflow the buffer and cause the service to crash. IBM X-Force ID: 197882.
References
psirt@us.ibm.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/197882VDB Entry
psirt@us.ibm.comhttps://www.ibm.com/support/pages/node/6465875Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/197882VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/6465875Patch, Vendor Advisory
Impacted products
Vendor Product Version
ibm security_identity_manager_adapter 6.0.0.0
ibm security_identity_manager_adapter 7.0.0.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Security Identity Manager Adapters",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "status": "affected",
              "version": "7.0"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:security_identity_manager_adapter:6.0.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C8BC51C9-A35F-4C38-8B5F-8B51BE394812",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:security_identity_manager_adapter:7.0.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "4F8FD871-0A5E-4413-8F1C-4125DA7741CB",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap based buffer overflow, caused by improper bounds. An authenticared user could overflow the buffer and cause the service to crash. IBM X-Force ID: 197882."
    },
    {
      "lang": "es",
      "value": "IBM Security Identity Manager Adapters versiones 6.0 y 7.0, son vulnerables a un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria, causado por una comprobaci\u00f3n inapropiada de l\u00edmites. Un usuario autenticado podr\u00eda desbordar el b\u00fafer y causar el bloqueo del servicio. IBM X-Force ID: 197882"
    }
  ],
  "id": "CVE-2021-20494",
  "lastModified": "2026-06-17T03:33:55.623",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-28T16:15:08.140",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/197882"
    },
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/6465875"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/197882"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/6465875"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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