CVE-2025-11915

{
  "id": "CVE-2025-11915",
  "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
  "published": "2025-10-22T10:15:31.270",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Deferred",
  "cveTags": [
    {
      "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "tags": [
        "exclusively-hosted-service"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Connection desynchronization between an HTTP proxy and the model backend. The fixes were rolled out for all proxies in front of impacted models by 2025-09-28. Users do not need to take any action."
    },
    {
      "lang": "es",
      "value": "Desincronización de la conexión entre un proxy HTTP y el backend del modelo. Las correcciones se implementaron para todos los proxies delante de los modelos afectados antes del 28 de septiembre de 2025. Los usuarios no necesitan realizar ninguna acción."
    }
  ],
  "affected": [
    {
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "affectedData": [
        {
          "vendor": "Google Cloud",
          "product": "Vertex AI: Partner Models for MaaS",
          "defaultStatus": "unaffected",
          "platforms": [
            "https://cloud.google.com/vertex-ai/generative-ai/docs/partner-models/use-partner-models"
          ],
          "versions": [
            {
              "version": "0",
              "lessThan": "2025-09-26",
              "versionType": "date",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Google Cloud",
          "product": "Vertex AI: Open Models for MaaS",
          "defaultStatus": "unaffected",
          "platforms": [
            "https://cloud.google.com/vertex-ai/generative-ai/docs/maas/use-open-models"
          ],
          "versions": [
            {
              "version": "0",
              "lessThan": "2025-09-28",
              "versionType": "date",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Google Cloud",
          "product": "Vertex AI: Self-Deployed Models",
          "defaultStatus": "unaffected",
          "platforms": [
            "https://cloud.google.com/vertex-ai/generative-ai/docs/model-garden/self-deployed-models"
          ],
          "versions": [
            {
              "version": "0",
              "lessThan": "2025-09-28",
              "versionType": "date",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "LOW",
          "exploitMaturity": "NOT_DEFINED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "CLEAR"
        }
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-10-22T13:54:15.699505Z",
          "id": "CVE-2025-11915",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://cloud.google.com/vertex-ai/generative-ai/docs/security-bulletins#gcp-2025-059",
      "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c"
    }
  ]
}