cve-2021-31559
Vulnerability from cvelistv5
Published
2022-05-06 16:35
Modified
2024-08-03 23:03
Severity ?
EPSS score ?
Summary
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.
References
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
Splunk | Splunk Enterprise |
Version: 8.2 version(s) before 8.2.1 Version: Version(s) before 8.1.5 |
{ 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", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2021-31559\",\"sourceIdentifier\":\"prodsec@splunk.com\",\"published\":\"2022-05-06T17:15:08.517\",\"lastModified\":\"2024-11-21T06:05:54.940\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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 petición diseñada omite la autenticación S2S TCP Token escribiendo eventos arbitrarios en un índice 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\":\"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\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"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\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"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\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"prodsec@splunk.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-288\"}]},{\"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\":\"8.1.5\",\"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\"]},{\"url\":\"https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}", }, }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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