gsd-2019-20894
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.
Aliases
Aliases
CVE-2019-20894


To clipboard 

{
   GSD: {
      alias: "CVE-2019-20894",
      description: "Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.",
      id: "GSD-2019-20894",
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2019-20894",
         ],
         details: "Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.",
         id: "GSD-2019-20894",
         modified: "2023-12-13T01:23:43.023369Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2019-20894",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "n/a",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "n/a",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://github.com/containous/traefik/issues/5312",
                  refsource: "MISC",
                  url: "https://github.com/containous/traefik/issues/5312",
               },
            ],
         },
      },
      "gitlab.com": {
         advisories: [
            {
               affected_range: "<2.2.2",
               affected_versions: "All versions before 2.2.2",
               cvss_v2: "AV:N/AC:M/Au:N/C:P/I:N/A:N",
               cvss_v3: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-295",
                  "CWE-937",
               ],
               date: "2021-09-02",
               description: "Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.",
               fixed_versions: [
                  "2.2.2",
               ],
               identifier: "CVE-2019-20894",
               identifiers: [
                  "GHSA-q9mp-79cp-9g8j",
                  "CVE-2019-20894",
               ],
               not_impacted: "All versions starting from 2.2.2",
               package_slug: "go/github.com/traefik/traefik/v2",
               pubdate: "2021-09-02",
               solution: "Upgrade to version 2.2.2 or above.",
               title: "Improper Certificate Validation",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2019-20894",
                  "https://github.com/containous/traefik/issues/5312",
                  "https://github.com/containous/traefik/pull/7008",
                  "https://github.com/containous/traefik/commit/2b353971696717e980521b0e4baa1eba66c8d2bf",
                  "https://github.com/advisories/GHSA-q9mp-79cp-9g8j",
               ],
               uuid: "963ba72b-4a9f-4bb3-8dbc-1a68a256001d",
            },
         ],
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.0.1",
                        versionStartIncluding: "2.0.0",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2019-20894",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "Traefik 2.x, in certain configurations, allows HTTPS sessions to proceed without mutual TLS verification in a situation where ERR_BAD_SSL_CLIENT_AUTH_CERT should have occurred.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-295",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://github.com/containous/traefik/issues/5312",
                     refsource: "MISC",
                     tags: [
                        "Exploit",
                        "Issue Tracking",
                        "Third Party Advisory",
                     ],
                     url: "https://github.com/containous/traefik/issues/5312",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "MEDIUM",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "NONE",
                  baseScore: 4.3,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:M/Au:N/C:P/I:N/A:N",
                  version: "2.0",
               },
               exploitabilityScore: 8.6,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2021-07-28T00:44Z",
         publishedDate: "2020-07-02T16:15Z",
      },
   },
}


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