FKIE_CVE-2025-1975

Vulnerability from fkie_nvd - Published: 2025-05-16 09:15 - Updated: 2026-06-17 08:40
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the Ollama server version 0.5.11 allows a malicious user to cause a Denial of Service (DoS) attack by customizing the manifest content and spoofing a service. This is due to improper validation of array index access when downloading a model via the /api/pull endpoint, which can lead to a server crash.
References
security@huntr.devhttps://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72dffe7acdExploit, Third Party Advisory
Impacted products
Vendor Product Version
ollama ollama 0.5.11
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "ollama/ollama",
          "vendor": "ollama",
          "versions": [
            {
              "lessThanOrEqual": "latest",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@huntr.dev"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ollama:ollama:0.5.11:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEA55A78-DD60-4F94-87FE-C0F18323C758",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the Ollama server version 0.5.11 allows a malicious user to cause a Denial of Service (DoS) attack by customizing the manifest content and spoofing a service. This is due to improper validation of array index access when downloading a model via the /api/pull endpoint, which can lead to a server crash."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en la versi\u00f3n 0.5.11 del servidor Ollama permite a un usuario malintencionado provocar un ataque de denegaci\u00f3n de servicio (DoS) personalizando el contenido del manifiesto y suplantando un servicio. Esto se debe a una validaci\u00f3n incorrecta del acceso al \u00edndice de la matriz al descargar un modelo mediante el endpoint /api/pull, lo que puede provocar un fallo del servidor."
    }
  ],
  "id": "CVE-2025-1975",
  "lastModified": "2026-06-17T08:40:27.950",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security@huntr.dev",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-1975",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-05-16T15:50:00.712099Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-05-16T09:15:17.980",
  "references": [
    {
      "source": "security@huntr.dev",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72dffe7acd"
    }
  ],
  "sourceIdentifier": "security@huntr.dev",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-129"
        }
      ],
      "source": "security@huntr.dev",
      "type": "Secondary"
    }
  ]
}



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