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CVE-2020-9481

Estado: ModificadaAlta (7.5)—

Apache ATS 6.0.0 to 6.2.3, 7.0.0 to 7.1.9, and 8.0.0 to 8.0.6 is vulnerable to a HTTP/2 slow read attack.

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 (2)

Apache — Traffic ServerDebian — Debian Linux

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-9481",
  "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
      }
    ],
    "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": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache",
          "product": "ATS",
          "versions": [
            {
              "status": "affected",
              "version": "6.0.0 to 6.2.3"
            },
            {
              "status": "affected",
              "version": "7.0.0 to 7.1.9"
            },
            {
              "status": "affected",
              "version": "8.0.0 to 8.0.6"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-04-27T22:15:12.457",
  "references": [
    {
      "url": "https://lists.apache.org/thread.html/r21ddaf0a4a973f3c43c7ff399ae50d2f858f13f87bd6a9551c5cf6db%40%3Cannounce.trafficserver.apache.org%3E",
      "tags": [
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        "Patch",
        "Third Party Advisory"
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      "source": "security@apache.org"
    },
    {
      "url": "https://www.debian.org/security/2020/dsa-4672",
      "tags": [
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      "source": "security@apache.org"
    },
    {
      "url": "https://lists.apache.org/thread.html/r21ddaf0a4a973f3c43c7ff399ae50d2f858f13f87bd6a9551c5cf6db%40%3Cannounce.trafficserver.apache.org%3E",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2020/dsa-4672",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache ATS 6.0.0 to 6.2.3, 7.0.0 to 7.1.9, and 8.0.0 to 8.0.6 is vulnerable to a HTTP/2 slow read attack."
    },
    {
      "lang": "es",
      "value": "Apache ATS versiones 6.0.0 hasta 6.2.3, versiones 7.0.0 hasta la versión 7.1.9 y versiones 8.0.0 hasta 8.0.6, es vulnerable a un ataque de lectura lenta de HTTP/2."
    }
  ],
  "lastModified": "2026-06-17T03:28:01.490",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "603BF43B-FC99-4039-A3C0-467F015A32FA",
              "versionEndIncluding": "6.2.3",
              "versionStartIncluding": "6.0.0"
            },
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            },
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              "matchCriteriaId": "38C87BF4-BED4-4910-9524-4D8632688669",
              "versionEndIncluding": "8.0.6",
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      "nodes": [
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          "cpeMatch": [
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  "sourceIdentifier": "security@apache.org"
}