CVE-2021-31559
Vulnerability from cvelistv5
Published
2022-05-06 16:35
Modified
2024-08-03 23:03
Summary
S2S TcpToken authentication bypass
Impacted products
SplunkSplunk Enterprise
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:03:33.306Z",
          "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-2022-0503.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Splunk Enterprise",
          "vendor": "Splunk",
          "versions": [
            {
              "status": "affected",
              "version": "8.2 version(s) before 8.2.1"
            },
            {
              "status": "affected",
              "version": "Version(s) before 8.1.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "CWE-288",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-05-06T16:35:19",
        "orgId": "42b59230-ec95-491e-8425-5a5befa1a469",
        "shortName": "Splunk"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html"
        }
      ],
      "source": {
        "advisory": "SVD-2022-0503",
        "discovery": "EXTERNAL"
      },
      "title": "S2S TcpToken authentication bypass",
      "x_generator": {
        "engine": "advisoriator"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "prodsec@splunk.com",
          "ID": "CVE-2021-31559",
          "STATE": "PUBLIC",
          "TITLE": "S2S TcpToken authentication bypass"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Splunk Enterprise",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "8.2 version(s) before 8.2.1"
                          },
                          {
                            "version_value": "Version(s) before 8.1.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Splunk"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders."
            }
          ]
        },
        "generator": {
          "engine": "advisoriator"
        },
        "impact": {
          "cvss": {
            "baseScore": "7.5",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-288"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html",
              "refsource": "MISC",
              "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html"
            }
          ]
        },
        "source": {
          "advisory": "SVD-2022-0503",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "42b59230-ec95-491e-8425-5a5befa1a469",
    "assignerShortName": "Splunk",
    "cveId": "CVE-2021-31559",
    "datePublished": "2022-05-06T16:35:19",
    "dateReserved": "2021-11-03T00:00:00",
    "dateUpdated": "2024-08-03T23:03:33.306Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-31559\",\"sourceIdentifier\":\"prodsec@splunk.com\",\"published\":\"2022-05-06T17:15:08.517\",\"lastModified\":\"2022-10-25T16:42:38.307\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders.\"},{\"lang\":\"es\",\"value\":\"Una petici\u00f3n dise\u00f1ada omite la autenticaci\u00f3n S2S TCP Token escribiendo eventos arbitrarios en un \u00edndice en Splunk Enterprise Indexer versiones 8.1 anteriores a 8.1.5 y versiones 8.2 anteriores a 8.2.1. La vulnerabilidad afecta a los Indexadores configurados para usar TCPTokens. No afecta a los reenviadores universales\"}],\"metrics\":{\"cvssMetricV31\":[{\"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:N/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"prodsec@splunk.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]},{\"source\":\"prodsec@splunk.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-288\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*\",\"versionStartIncluding\":\"8.1.0\",\"versionEndExcluding\":\"8.1.5\",\"matchCriteriaId\":\"69FE383C-7E7F-4119-B0B8-7A9F8A5AE0C3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:splunk:splunk:8.2.0:*:*:*:enterprise:*:*:*\",\"matchCriteriaId\":\"6EA32AA1-B70F-44B4-964C-6F25FC885104\"}]}]}],\"references\":[{\"url\":\"https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html\",\"source\":\"prodsec@splunk.com\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...

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.