CVE-2021-26253 (GCVE-0-2021-26253)

Vulnerability from cvelistv5 – Published: 2022-05-06 16:34 – Updated: 2024-08-03 20:19
VLAI?
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.
Severity ?
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Splunk Splunk Enterprise Affected: Version(s) before 8.1.6
Create a notification for this product.
Credits
Sanket Bhimani
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\u0027s 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\u0027s 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\u0027s 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\u0027s 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\u0027s 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\u0027s 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\"}],\"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.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.