cve-2021-24012
Vulnerability from cvelistv5
Published
2021-06-02 12:42
Modified
2024-10-25 13:58
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Summary
An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.
References
psirt@fortinet.comhttps://fortiguard.com/advisory/FG-IR-21-018Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/advisory/FG-IR-21-018Vendor Advisory
Impacted products
Vendor Product Version
Fortinet Fortinet FortiOS Version: FortiOS 6.4.0 to 6.4.4
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T19:14:10.119Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_CONFIRM",
                     "x_transferred",
                  ],
                  url: "https://fortiguard.com/advisory/FG-IR-21-018",
               },
            ],
            title: "CVE Program Container",
         },
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2021-24012",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "partial",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-10-23T13:58:47.552875Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-10-25T13:58:11.976Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               product: "Fortinet FortiOS",
               vendor: "Fortinet",
               versions: [
                  {
                     status: "affected",
                     version: "FortiOS 6.4.0 to 6.4.4",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.",
            },
         ],
         metrics: [
            {
               cvssV3_1: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "LOW",
                  baseScore: 6.5,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "LOW",
                  integrityImpact: "LOW",
                  privilegesRequired: "NONE",
                  scope: "CHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
                  version: "3.1",
               },
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Impersonation",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-06-02T12:42:19",
            orgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            shortName: "fortinet",
         },
         references: [
            {
               tags: [
                  "x_refsource_CONFIRM",
               ],
               url: "https://fortiguard.com/advisory/FG-IR-21-018",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "psirt@fortinet.com",
               ID: "CVE-2021-24012",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "Fortinet FortiOS",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "FortiOS 6.4.0 to 6.4.4",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "Fortinet",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.",
                  },
               ],
            },
            impact: {
               cvss: {
                  attackComplexity: "High",
                  attackVector: "Network",
                  availabilityImpact: "Low",
                  baseScore: 6.4,
                  baseSeverity: "Medium",
                  confidentialityImpact: "Low",
                  integrityImpact: "Low",
                  privilegesRequired: "None",
                  scope: "Changed",
                  userInteraction: "None",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
                  version: "3.1",
               },
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "Impersonation",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://fortiguard.com/advisory/FG-IR-21-018",
                     refsource: "CONFIRM",
                     url: "https://fortiguard.com/advisory/FG-IR-21-018",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
      assignerShortName: "fortinet",
      cveId: "CVE-2021-24012",
      datePublished: "2021-06-02T12:42:19",
      dateReserved: "2021-01-13T00:00:00",
      dateUpdated: "2024-10-25T13:58:11.976Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2021-24012\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2021-06-02T13:15:12.673\",\"lastModified\":\"2024-11-21T05:52:12.320\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de seguimiento impropio de la cadena de confianza de un certificado FortiGate versiones 6.4.0 hasta 6.4.4, puede permitir a un usuario de LDAP conectarse a SSLVPN con cualquier certificado que esté firmado por una Autoridad de Certificación confiable\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.2,\"impactScore\":3.7},{\"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:L/I:L/A:L\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-295\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.0\",\"versionEndExcluding\":\"6.4.5\",\"matchCriteriaId\":\"26712170-76E1-4896-9421-6CB9160D5DDF\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.com/advisory/FG-IR-21-018\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://fortiguard.com/advisory/FG-IR-21-018\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.