cve-2021-26253
Vulnerability from cvelistv5
Published
2022-05-06 16:34
Modified
2024-08-03 20:19
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS score ?
0.06% (0.15421)
Summary
A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in Splunk Enterprise versions before 8.1.6. The potential vulnerability impacts Splunk Enterprise instances configured to use DUO MFA and does not impact or affect a DUO product or service.
References
prodsec@splunk.comhttps://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.htmlVendor Advisory
Impacted products
Vendor Product Version
Splunk Splunk Enterprise Version: Version(s) before 8.1.6
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T20:19:20.123Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "Splunk Enterprise",
               vendor: "Splunk",
               versions: [
                  {
                     status: "affected",
                     version: "Version(s) before 8.1.6",
                  },
               ],
            },
         ],
         credits: [
            {
               lang: "en",
               value: "Sanket Bhimani",
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in Splunk Enterprise versions before 8.1.6. The potential vulnerability impacts Splunk Enterprise instances configured to use DUO MFA and does not impact or affect a DUO product or service.",
            },
         ],
         metrics: [
            {
               cvssV3_1: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 8.1,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     cweId: "CWE-287",
                     description: "CWE-287",
                     lang: "en",
                     type: "CWE",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2022-05-06T16:34:33",
            orgId: "42b59230-ec95-491e-8425-5a5befa1a469",
            shortName: "Splunk",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html",
            },
         ],
         source: {
            advisory: "SVD-2022-0504",
            discovery: "EXTERNAL",
         },
         title: "Bypass of Splunk Enterprise's implementation of DUO MFA",
         x_generator: {
            engine: "advisoriator",
         },
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "prodsec@splunk.com",
               ID: "CVE-2021-26253",
               STATE: "PUBLIC",
               TITLE: "Bypass of Splunk Enterprise's implementation of DUO MFA",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "Splunk Enterprise",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "Version(s) before 8.1.6",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "Splunk",
                     },
                  ],
               },
            },
            credit: [
               {
                  lang: "eng",
                  value: "Sanket Bhimani",
               },
            ],
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in Splunk Enterprise versions before 8.1.6. The potential vulnerability impacts Splunk Enterprise instances configured to use DUO MFA and does not impact or affect a DUO product or service.",
                  },
               ],
            },
            generator: {
               engine: "advisoriator",
            },
            impact: {
               cvss: {
                  baseScore: "8.1",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "CWE-287",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html",
                     refsource: "MISC",
                     url: "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html",
                  },
               ],
            },
            source: {
               advisory: "SVD-2022-0504",
               discovery: "EXTERNAL",
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "42b59230-ec95-491e-8425-5a5befa1a469",
      assignerShortName: "Splunk",
      cveId: "CVE-2021-26253",
      datePublished: "2022-05-06T16:34:33",
      dateReserved: "2021-11-03T00:00:00",
      dateUpdated: "2024-08-03T20:19:20.123Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      fkie_nvd: {
         configurations: "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*\", \"versionStartIncluding\": \"8.1.0\", \"versionEndExcluding\": \"8.1.6\", \"matchCriteriaId\": \"90B00E60-5958-45A9-9B2A-288EE56B0C1C\"}]}]}]",
         descriptions: "[{\"lang\": \"en\", \"value\": \"A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in Splunk Enterprise versions before 8.1.6. The potential vulnerability impacts Splunk Enterprise instances configured to use DUO MFA and does not impact or affect a DUO product or service.\"}, {\"lang\": \"es\", \"value\": \"Una posible vulnerabilidad en la implementaci\\u00f3n de DUO MFA de Splunk Enterprise permite omitir la verificaci\\u00f3n MFA en las versiones de Splunk Enterprise anteriores a 8.1.6. La vulnerabilidad potencial afecta a las instancias de Splunk Enterprise configuradas para usar DUO MFA y no impacta ni afecta a un producto o servicio de DUO\"}]",
         id: "CVE-2021-26253",
         lastModified: "2024-11-21T05:55:59.187",
         metrics: "{\"cvssMetricV31\": [{\"source\": \"prodsec@splunk.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:P\", \"baseScore\": 6.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
         published: "2022-05-06T17:15:08.443",
         references: "[{\"url\": \"https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html\", \"source\": \"prodsec@splunk.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
         sourceIdentifier: "prodsec@splunk.com",
         vulnStatus: "Modified",
         weaknesses: "[{\"source\": \"prodsec@splunk.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]",
      },
      nvd: "{\"cve\":{\"id\":\"CVE-2021-26253\",\"sourceIdentifier\":\"prodsec@splunk.com\",\"published\":\"2022-05-06T17:15:08.443\",\"lastModified\":\"2024-11-21T05:55:59.187\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A potential vulnerability in Splunk Enterprise's implementation of DUO MFA allows for bypassing the MFA verification in Splunk Enterprise versions before 8.1.6. The potential vulnerability impacts Splunk Enterprise instances configured to use DUO MFA and does not impact or affect a DUO product or service.\"},{\"lang\":\"es\",\"value\":\"Una posible vulnerabilidad en la implementación de DUO MFA de Splunk Enterprise permite omitir la verificación MFA en las versiones de Splunk Enterprise anteriores a 8.1.6. La vulnerabilidad potencial afecta a las instancias de Splunk Enterprise configuradas para usar DUO MFA y no impacta ni afecta a un producto o servicio de DUO\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"prodsec@splunk.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"prodsec@splunk.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"8.1.0\",\"versionEndExcluding\":\"8.1.6\",\"matchCriteriaId\":\"90B00E60-5958-45A9-9B2A-288EE56B0C1C\"}]}]}],\"references\":[{\"url\":\"https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html\",\"source\":\"prodsec@splunk.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.splunk.com/en_us/product-security/announcements/svd-2022-0504.html\",\"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.