CVE-2017-16687 - Vulnerability Details - OpenCVE

The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

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 0.00877.

Key SSVC decision points have not yet been added.

Vendors	Products
Sap Subscribe	Hana Database Subscribe

Configuration 1 [-]

OR	cpe:2.3:a:sap:hana_database:1.00:::::::*
	cpe:2.3:a:sap:hana_database:2.00:::::::*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2017-7871	The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.securityfocus.com/bid/102152
https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/
https://launchpad.support.sap.com/#/notes/2549983

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: sap

Published: 2017-12-12T14:00:00Z

Updated: 2024-09-16T23:41:51.057Z

Reserved: 2017-11-09T00:00:00

Link: CVE-2017-16687

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2017-12-12T14:29:00.607

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-16687

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-200

{"containers": {"cna": {"affected": [{"product": "SAP HANA extended application services", "vendor": "SAP", "versions": [{"status": "affected", "version": "SAP HANA Database 1.00, 2.00"}]}], "datePublic": "2017-12-12T00:00:00", "descriptions": [{"lang": "en", "value": "The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid."}], "problemTypes": [{"descriptions": [{"description": "Information Disclosure", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-12-13T10:57:01", "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd", "shortName": "sap"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://launchpad.support.sap.com/#/notes/2549983"}, {"name": "102152", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/102152"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cna@sap.com", "DATE_PUBLIC": "2017-12-12T00:00:00", "ID": "CVE-2017-16687", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "SAP HANA extended application services", "version": {"version_data": [{"version_value": "SAP HANA Database 1.00, 2.00"}]}}]}, "vendor_name": "SAP"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Information Disclosure"}]}]}, "references": {"reference_data": [{"name": "https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/", "refsource": "CONFIRM", "url": "https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/"}, {"name": "https://launchpad.support.sap.com/#/notes/2549983", "refsource": "CONFIRM", "url": "https://launchpad.support.sap.com/#/notes/2549983"}, {"name": "102152", "refsource": "BID", "url": "http://www.securityfocus.com/bid/102152"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T20:35:19.897Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://launchpad.support.sap.com/#/notes/2549983"}, {"name": "102152", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/102152"}]}]}, "cveMetadata": {"assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd", "assignerShortName": "sap", "cveId": "CVE-2017-16687", "datePublished": "2017-12-12T14:00:00Z", "dateReserved": "2017-11-09T00:00:00", "dateUpdated": "2024-09-16T23:41:51.057Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sap:hana_database:1.00:*:*:*:*:*:*:*", "matchCriteriaId": "528C05CB-315F-465C-8C25-EF85AA7D19B9", "vulnerable": true}, {"criteria": "cpe:2.3:a:sap:hana_database:2.00:*:*:*:*:*:*:*", "matchCriteriaId": "4C6CA542-7071-48B6-B135-3AE9B4BB1DC5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid."}, {"lang": "es", "value": "Las herramientas de autoservicio del usuario de los servicios extendidos de la aplicaci\u00f3n SAP HANA, que forman parte de SAP HANA Database en sus versiones 1.00 y 2.00, pueden ser empleadas err\u00f3neamente para enumerar cuentas de usuario v\u00e1lidas e inv\u00e1lidas. Un usuario no autenticado podr\u00eda emplear los mensajes de error para determinar si un nombre de usuario dado es v\u00e1lido."}], "id": "CVE-2017-16687", "lastModified": "2025-04-20T01:37:25.860", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-12-12T14:29:00.607", "references": [{"source": "cna@sap.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/102152"}, {"source": "cna@sap.com", "tags": ["Vendor Advisory"], "url": "https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/"}, {"source": "cna@sap.com", "tags": ["Permissions Required", "Vendor Advisory"], "url": "https://launchpad.support.sap.com/#/notes/2549983"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/102152"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required", "Vendor Advisory"], "url": "https://launchpad.support.sap.com/#/notes/2549983"}], "sourceIdentifier": "cna@sap.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}