« Volver al listado

CVE-2021-38951

Estado: ModificadaAlta (7.5)—

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405.

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 — Websphere Application Server

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-38951",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/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
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "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": "psirt@us.ibm.com",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "WebSphere Application Server",
          "versions": [
            {
              "status": "affected",
              "version": "7.0"
            },
            {
              "status": "affected",
              "version": "8.0"
            },
            {
              "status": "affected",
              "version": "8.5"
            },
            {
              "status": "affected",
              "version": "9.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-09T17:15:07.793",
  "references": [
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/211405",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6524674",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/211405",
      "tags": [
        "VDB Entry",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/6524674",
      "tags": [
        "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": "IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available CPU resources. IBM X-Force ID: 211405."
    },
    {
      "lang": "es",
      "value": "IBM WebSphere Application Server versiones 7.0, 8.0, 8.5 y 9.0, es vulnerable a una denegación de servicio, causada por el envío de una petición especialmente diseñada. Un atacante remoto podría aprovechar esta vulnerabilidad para causar que el servidor consuma todos los recursos de CPU disponibles. IBM X-Force ID: 211405"
    }
  ],
  "lastModified": "2026-06-17T04:02:52.957",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B0905C80-A1BA-49CD-90CA-9270ECC3940C"
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "07EBB48B-4EE2-4333-851E-BA1B104FBE92"
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E30E8CE2-9137-4669-AE86-FB8ED0899736"
            },
            {
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C4F6F77C-2C0D-4A31-B2A0-DB1C4296FF5E"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F480AA32-841A-4E68-9343-B2E7548B0A0C"
            },
            {
              "criteria": "cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E492C463-D76E-49B7-A4D4-3B499E422D89"
            },
            {
              "criteria": "cpe:2.3:o:ibm:i:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "C684FC45-C9BA-4EF0-BD06-BB289450DD21"
            },
            {
              "criteria": "cpe:2.3:o:ibm:z\\/os:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "0E97A964-6F9E-4C87-9B90-21AE2C1DF52F"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            },
            {
              "criteria": "cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:-:*",
              "vulnerable": false,
              "matchCriteriaId": "F5027746-8216-452D-83C5-2F8E9546F2A5"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}