FKIE_CVE-2021-38917

Vulnerability from fkie_nvd - Published: 2021-12-10 18:15 - Updated: 2026-06-17 04:02
Severity
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018.
References
psirt@us.ibm.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/210018VDB Entry, Vendor Advisory
psirt@us.ibm.comhttps://www.ibm.com/support/pages/node/6525010Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/210018VDB Entry, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.ibm.com/support/pages/node/6525010Vendor Advisory
Impacted products
Vendor Product Version
ibm powervm_hypervisor fw860
ibm powervm_hypervisor fw940
ibm powervm_hypervisor fw950
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "PowerVM Hypervisor",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "FW940"
            },
            {
              "status": "affected",
              "version": "FW950"
            },
            {
              "status": "affected",
              "version": "FW860"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:ibm:powervm_hypervisor:fw860:*:*:*:*:*:*:*",
              "matchCriteriaId": "78060DAF-4A3C-4CBC-92DB-FB5CF8E54ECB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:ibm:powervm_hypervisor:fw940:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9685283-13BE-474E-A09E-66AF9A72B9E9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:ibm:powervm_hypervisor:fw950:*:*:*:*:*:*:*",
              "matchCriteriaId": "84837FC8-545A-44B4-8144-F8DC8EBCB165",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service access to the FSP can read and write arbitrary host system memory through a series of carefully crafted service procedures. IBM X-Force ID: 210018."
    },
    {
      "lang": "es",
      "value": "IBM PowerVM Hypervisor FW860, FW940 y FW950, podr\u00eda permitir a un atacante que consiga acceso de servicio al FSP pueda leer y escribir en la memoria del sistema anfitri\u00f3n de forma arbitraria mediante una serie de procedimientos de servicio cuidadosamente dise\u00f1ados. IBM X-Force ID: 210018"
    }
  ],
  "id": "CVE-2021-38917",
  "lastModified": "2026-06-17T04:02:49.663",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 9.4,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 9.2,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-12-10T18:15:07.847",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/210018"
    },
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/6525010"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/210018"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/6525010"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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