← Vulnerability feed

Vulnerability record · CVE-2017-16687 · published 12 December 2017

CVE-2017-16687: Sap hana database information exposure vulnerability

Sap · Hana Database

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.

5.3 CVSS 3.0 Medium EPSS 1.3% · top 30.7% CWE-200 · Information exposure
5.3CVSS 3.0 base score, v2 5.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

Track CVE-2017-16687 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-40309Sap commoncryptolib incorrect authorization vulnerabilitySAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong authorization checks for an authenticated …EPSS 0.88%8.8CVE-2026-0492Sap hana database missing authentication for critical function vulnerabilitySAP HANA database is vulnerable to privilege escalation allowing an attacker with valid credentials of any user to switch to another user potentially…EPSS 0.33%7.5CVE-2023-40308Sap commoncryptolib out-of-bounds write vulnerabilitySAP CommonCryptoLib allows an unauthenticated attacker to craft a request, which when submitted to an open port causes a memory corruption error in a…EPSS 0.75%7.5CVE-2019-0350Sap hana database vulnerabilitySAP HANA Database, versions 1.0, 2.0, allows an unauthorized attacker to send a malformed connection request, which crashes the indexserver of an SAP…EPSS 1.1%7.5CVE-2018-2424Sap hana database improper input validation vulnerabilitySAP UI5 did not validate user input before adding it to the DOM structure. This may lead to malicious user-provided JavaScript code being added to th…EPSS 2.4%6.5CVE-2021-21474Sap hana database inadequate encryption strength vulnerabilitySAP HANA Database, versions - 1.0, 2.0, accepts SAML tokens with MD5 digest, an attacker who manages to obtain an MD5-digest signed SAML Assertion is…EPSS 0.70%5.4CVE-2020-26834Sap hana database improper authentication vulnerabilitySAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possibl…EPSS 0.69%5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 30%analysed

Source: NIST National Vulnerability Database (record CVE-2017-16687), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.