CVE-2021-33845 - Vulnerability Details - OpenCVE

The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00292.

Key SSVC decision points have not yet been added.

Vendors	Products
Splunk	Splunk

Configuration 1 [-]

cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-20519	The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://research.splunk.com/application/splunk_user_enumeration_attempt/
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html

History

No history.

MITRE

Status: PUBLISHED

Assigner: Splunk

Published: 2022-05-06T16:35:58

Updated: 2024-08-04T00:05:51.041Z

Reserved: 2021-11-03T00:00:00

Link: CVE-2021-33845

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-05-06T17:15:08.577

Modified: 2024-11-21T06:09:41.023

Link: CVE-2021-33845

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"status": "affected", "version": "Version(s) before 8.1.7"}]}], "credits": [{"lang": "en", "value": "Kyle Bambrick"}], "descriptions": [{"lang": "en", "value": "The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-203", "description": "CWE-203", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-05-06T16:35:58", "orgId": "42b59230-ec95-491e-8425-5a5befa1a469", "shortName": "Splunk"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html"}, {"tags": ["x_refsource_MISC"], "url": "https://research.splunk.com/application/splunk_user_enumeration_attempt/"}], "source": {"advisory": "SVD-2022-0502", "discovery": "EXTERNAL"}, "title": "Username enumeration through lockout message in REST API", "x_generator": {"engine": "advisoriator"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "prodsec@splunk.com", "ID": "CVE-2021-33845", "STATE": "PUBLIC", "TITLE": "Username enumeration through lockout message in REST API"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Splunk Enterprise", "version": {"version_data": [{"version_value": "Version(s) before 8.1.7"}]}}]}, "vendor_name": "Splunk"}]}}, "credit": [{"lang": "eng", "value": "Kyle Bambrick"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors."}]}, "generator": {"engine": "advisoriator"}, "impact": {"cvss": {"baseScore": "5.3", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-203"}]}]}, "references": {"reference_data": [{"name": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html", "refsource": "MISC", "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html"}, {"name": "https://research.splunk.com/application/splunk_user_enumeration_attempt/", "refsource": "MISC", "url": "https://research.splunk.com/application/splunk_user_enumeration_attempt/"}]}, "source": {"advisory": "SVD-2022-0502", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:05:51.041Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://research.splunk.com/application/splunk_user_enumeration_attempt/"}]}]}, "cveMetadata": {"assignerOrgId": "42b59230-ec95-491e-8425-5a5befa1a469", "assignerShortName": "Splunk", "cveId": "CVE-2021-33845", "datePublished": "2022-05-06T16:35:58", "dateReserved": "2021-11-03T00:00:00", "dateUpdated": "2024-08-04T00:05:51.041Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*", "matchCriteriaId": "B4BE0BC2-6E5C-4A45-80BE-E2DB4C536AA2", "versionEndExcluding": "8.1.7", "versionStartIncluding": "8.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The Splunk Enterprise REST API allows enumeration of usernames via the lockout error message. The potential vulnerability impacts Splunk Enterprise instances before 8.1.7 when configured to repress verbose login errors."}, {"lang": "es", "value": "La API REST de Splunk Enterprise permite enumerar los nombres de usuario por medio del mensaje de error de bloqueo. La vulnerabilidad potencial afecta a las instancias de Splunk Enterprise anteriores a 8.1.7 cuando est\u00e1n configuradas para reprimir los errores de inicio de sesi\u00f3n verboso"}], "id": "CVE-2021-33845", "lastModified": "2024-11-21T06:09:41.023", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "prodsec@splunk.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-06T17:15:08.577", "references": [{"source": "prodsec@splunk.com", "tags": ["Vendor Advisory"], "url": "https://research.splunk.com/application/splunk_user_enumeration_attempt/"}, {"source": "prodsec@splunk.com", "tags": ["Vendor Advisory"], "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://research.splunk.com/application/splunk_user_enumeration_attempt/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0502.html"}], "sourceIdentifier": "prodsec@splunk.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "prodsec@splunk.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-203"}], "source": "nvd@nist.gov", "type": "Primary"}]}