{
  "GSD": {
    "alias": "CVE-2020-13935",
    "description": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.",
    "id": "GSD-2020-13935",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-13935.html",
      "https://www.debian.org/security/2020/dsa-4727",
      "https://access.redhat.com/errata/RHSA-2021:3140",
      "https://access.redhat.com/errata/RHSA-2020:4004",
      "https://access.redhat.com/errata/RHSA-2020:3806",
      "https://access.redhat.com/errata/RHSA-2020:3383",
      "https://access.redhat.com/errata/RHSA-2020:3382",
      "https://access.redhat.com/errata/RHSA-2020:3308",
      "https://access.redhat.com/errata/RHSA-2020:3306",
      "https://access.redhat.com/errata/RHSA-2020:3305",
      "https://access.redhat.com/errata/RHSA-2020:3303",
      "https://ubuntu.com/security/CVE-2020-13935",
      "https://advisories.mageia.org/CVE-2020-13935.html",
      "https://security.archlinux.org/CVE-2020-13935",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-13935.html",
      "https://linux.oracle.com/cve/CVE-2020-13935.html",
      "https://access.redhat.com/errata/RHSA-2022:5458",
      "https://access.redhat.com/errata/RHSA-2022:5459",
      "https://access.redhat.com/errata/RHSA-2022:5460"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-13935"
      ],
      "details": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.",
      "id": "GSD-2020-13935",
      "modified": "2023-12-13T01:21:46.685642Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
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        "ID": "CVE-2020-13935",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
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              "product": {
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                    "version": {
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            "value": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service."
          }
        ]
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      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Denial of Service"
              }
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      "references": {
        "reference_data": [
          {
            "name": "https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E",
            "refsource": "MISC",
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          },
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            "name": "DSA-4727",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2020/dsa-4727"
          },
          {
            "name": "[debian-lts-announce] 20200722 [SECURITY] [DLA 2286-1] tomcat8 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html"
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            "name": "openSUSE-SU-2020:1102",
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html"
          },
          {
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            "refsource": "SUSE",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html"
          },
          {
            "name": "USN-4448-1",
            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4448-1/"
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            "name": "https://www.oracle.com/security-alerts/cpuoct2020.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20200724-0003/",
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          },
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            "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10332",
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            "refsource": "UBUNTU",
            "url": "https://usn.ubuntu.com/4596-1/"
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          {
            "name": "[tomcat-users] 20201118 Re: Strange crash-on-takeoff, Tomcat 7.0.104",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50@%3Cusers.tomcat.apache.org%3E"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpujan2021.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuApr2021.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
          },
          {
            "name": "https://www.oracle.com//security-alerts/cpujul2021.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
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            "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpujan2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[9.0.0,9.0.36),[8.5.0,8.5.56),[7.0.27,7.0.104)",
          "affected_versions": "All versions starting from 9.0.0 before 9.0.36, all versions starting from 8.5.0 before 8.5.56, all versions starting from 7.0.27 before 7.0.104",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
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            "CWE-835",
            "CWE-937"
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          "description": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.",
          "fixed_versions": [
            "9.0.36",
            "8.5.56",
            "7.0.104"
          ],
          "identifier": "CVE-2020-13935",
          "identifiers": [
            "GHSA-m7jv-hq7h-mq7c",
            "CVE-2020-13935"
          ],
          "not_impacted": "",
          "package_slug": "maven/org.apache.tomcat.embed/tomcat-embed-core",
          "pubdate": "2022-02-08",
          "solution": "Upgrade to versions 9.0.36, 8.5.56, 7.0.104 or above.",
          "title": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13935",
            "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10332",
            "https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50@%3Cusers.tomcat.apache.org%3E",
            "https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E",
            "https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html",
            "https://security.netapp.com/advisory/ntap-20200724-0003/",
            "https://usn.ubuntu.com/4448-1/",
            "https://usn.ubuntu.com/4596-1/",
            "https://www.debian.org/security/2020/dsa-4727",
            "https://www.oracle.com/security-alerts/cpujan2021.html",
            "https://www.oracle.com/security-alerts/cpuoct2020.html",
            "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html",
            "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html",
            "https://www.oracle.com/security-alerts/cpuApr2021.html",
            "https://www.oracle.com//security-alerts/cpujul2021.html",
            "https://www.oracle.com/security-alerts/cpuoct2021.html",
            "https://www.oracle.com/security-alerts/cpujan2022.html",
            "https://github.com/advisories/GHSA-m7jv-hq7h-mq7c"
          ],
          "uuid": "58d218e8-93c5-49e7-bef6-904055ef8a7c"
        },
        {
          "affected_range": "[7.0.27,7.0.104],[8.5.0,8.5.56],[9.0.0,9.0.36],[10.0.0]",
          "affected_versions": "All versions starting from 7.0.27 up to 7.0.104, all versions starting from 8.5.0 up to 8.5.56, all versions starting from 9.0.0 up to 9.0.36, version 10.0.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
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            "CWE-835",
            "CWE-937"
          ],
          "date": "2021-10-20",
          "description": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.",
          "fixed_versions": [
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            "8.5.57",
            "9.0.37",
            "10.0.2"
          ],
          "identifier": "CVE-2020-13935",
          "identifiers": [
            "CVE-2020-13935"
          ],
          "not_impacted": "All versions before 7.0.27, all versions after 7.0.104 before 8.5.0, all versions after 8.5.56 before 9.0.0, all versions after 9.0.36 before 10.0.0, all versions after 10.0.0",
          "package_slug": "maven/org.apache.tomcat.embed/tomcat-embed-websocket",
          "pubdate": "2020-07-14",
          "solution": "Upgrade to versions 7.0.105, 8.5.57, 9.0.37, 10.0.2 or above.",
          "title": "Loop with Unreachable Exit Condition (Infinite Loop)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13935"
          ],
          "uuid": "1be4fd3e-0e9c-465e-8960-dc65cf3c1729"
        },
        {
          "affected_range": "[7.0.27,7.0.104],[8.5.0,8.5.56],[9.0.0,9.0.36],[10.0.0]",
          "affected_versions": "All versions starting from 7.0.27 up to 7.0.104, all versions starting from 8.5.0 up to 8.5.56, all versions starting from 9.0.0 up to 9.0.36, version 10.0.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
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            "CWE-835",
            "CWE-937"
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          "date": "2021-10-20",
          "description": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat to M1 to to to Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.",
          "fixed_versions": [
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            "8.5.57",
            "9.0.37",
            "10.0.2"
          ],
          "identifier": "CVE-2020-13935",
          "identifiers": [
            "CVE-2020-13935"
          ],
          "not_impacted": "All versions before 7.0.27, all versions after 7.0.104 before 8.5.0, all versions after 8.5.56 before 9.0.0, all versions after 9.0.36 before 10.0.0, all versions after 10.0.0",
          "package_slug": "maven/org.apache.tomcat/tomcat-coyote",
          "pubdate": "2020-07-14",
          "solution": "Upgrade to versions 7.0.105, 8.5.57, 9.0.37, 10.0.2 or above.",
          "title": "Loop with Unreachable Exit Condition (Infinite Loop)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13935"
          ],
          "uuid": "4c3a7574-9e3d-48df-874c-63abdc876932"
        },
        {
          "affected_range": "[10.0.0-M1,10.0.0-M5],[9.0.0.M1,9.0.36),[8.5.0,8.5.56),[7.0.27,7.0.104)",
          "affected_versions": "All versions starting from 10.0.0-m1 up to 10.0.0-m5, all versions starting from 9.0.0.m1 before 9.0.36, all versions starting from 8.5.0 before 8.5.56, all versions starting from 7.0.27 before 7.0.104",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-835",
            "CWE-937"
          ],
          "date": "2022-02-09",
          "description": "The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.",
          "fixed_versions": [
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            "10.0.0-M6",
            "10.0.0-M6",
            "10.0.0-M6",
            "8.5.56",
            "7.0.104"
          ],
          "identifier": "CVE-2020-13935",
          "identifiers": [
            "GHSA-m7jv-hq7h-mq7c",
            "CVE-2020-13935"
          ],
          "not_impacted": "All versions before 10.0.0-m1, all versions after 10.0.0-m5, all versions before 9.0.0.m1, all versions starting from 9.0.36, all versions before 8.5.0, all versions starting from 8.5.56, all versions before 7.0.27, all versions starting from 7.0.104",
          "package_slug": "maven/org.apache.tomcat/tomcat",
          "pubdate": "2022-02-08",
          "solution": "Upgrade to versions 10.0.0-M6, 10.0.0-M6, 10.0.0-M6, 10.0.0-M6, 8.5.56, 7.0.104 or above.",
          "title": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-13935",
            "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10332",
            "https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50@%3Cusers.tomcat.apache.org%3E",
            "https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3E",
            "https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html",
            "https://security.netapp.com/advisory/ntap-20200724-0003/",
            "https://usn.ubuntu.com/4448-1/",
            "https://usn.ubuntu.com/4596-1/",
            "https://www.debian.org/security/2020/dsa-4727",
            "https://www.oracle.com/security-alerts/cpujan2021.html",
            "https://www.oracle.com/security-alerts/cpuoct2020.html",
            "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html",
            "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html",
            "https://www.oracle.com/security-alerts/cpuApr2021.html",
            "https://www.oracle.com//security-alerts/cpujul2021.html",
            "https://www.oracle.com/security-alerts/cpuoct2021.html",
            "https://www.oracle.com/security-alerts/cpujan2022.html",
            "https://github.com/advisories/GHSA-m7jv-hq7h-mq7c"
          ],
          "uuid": "6ed21e5e-4bcb-493f-ba6e-d76e37f1cf73"
        }
      ]
    },
    "nvd.nist.gov": {
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}