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CVE-2021-25738

Estado: ModificadaMedia (6.7)—

Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.

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)

Kubernetes — Java

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-25738",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "jordan@liggitt.net",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "jordan@liggitt.net",
      "affectedData": [
        {
          "vendor": "Kubernetes",
          "product": "Kubernetes Java Client",
          "versions": [
            {
              "status": "affected",
              "version": "v12.0.0"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "v11.0.1"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "v10.0.1"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "v9.0.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-11T19:15:07.487",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2022/08/23/2",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://github.com/kubernetes-client/java/issues/1698",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "jordan@liggitt.net"
    },
    {
      "url": "https://groups.google.com/g/kubernetes-security-announce/c/K_pOK2WbAJk",
      "tags": [
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      "source": "jordan@liggitt.net"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2022/08/23/2",
      "tags": [
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/kubernetes-client/java/issues/1698",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://groups.google.com/g/kubernetes-security-announce/c/K_pOK2WbAJk",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "jordan@liggitt.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution."
    },
    {
      "lang": "es",
      "value": "Una carga de yaml especialmente diseñado con la librería Kubernetes Java Client puede conllevar a una ejecución de código"
    }
  ],
  "lastModified": "2026-06-17T03:42:22.873",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kubernetes:java:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "697973C0-82C4-45DD-9240-7722F8C2F229",
              "versionEndIncluding": "9.0.2"
            },
            {
              "criteria": "cpe:2.3:a:kubernetes:java:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E8C9C6D5-285E-411A-BE51-E46CBF69A58C",
              "versionEndIncluding": "10.0.1",
              "versionStartIncluding": "10.0.0"
            },
            {
              "criteria": "cpe:2.3:a:kubernetes:java:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D50DD1C8-E23A-4C05-AA26-CB9FB9C8538B",
              "versionEndExcluding": "11.0.1",
              "versionStartIncluding": "11.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "jordan@liggitt.net"
}