{
  "id": "CVE-2021-27918",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-03-11T00:15:12.030",
  "lastModified": "2022-12-13T16:28:13.860",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "encoding/xml in Go before 1.15.9 and 1.16.x before 1.16.1 has an infinite loop if a custom TokenReader (for xml.NewTokenDecoder) returns EOF in the middle of an element. This can occur in the Decode, DecodeElement, or Skip method."
    },
    {
      "lang": "es",
      "value": "encoding/xml en Go versiones anteriores a 1.15.9 y versiones 1.16.x anteriores a 1.16.1, presenta un bucle infinito si un TokenReader personalizado (para xml.NewTokenDecoder) devuelve EOF en medio de un elemento. Esto puede ocurrir en el m\u00e9todo Decode, DecodeElement o Skip"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "1.15.9",
              "matchCriteriaId": "AB004DF7-C7C5-4A2C-A0B1-5296DEBC64DD"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.16.0",
              "versionEndExcluding": "1.16.1",
              "matchCriteriaId": "23643AC7-98B9-465F-B10B-C7AD4C59F77E"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/202208-02",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}