Medium severity · published Dec 12, 2017
CVE-2017-16687
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…
5.3
CVSS
1.3%
EPSS
No
On KEV
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HD
Hana Database · Sap
1.00; 2.00 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16687
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-16687
Third Party Advisory
http://www.securityfocus.com/bid/102152
Vendor Advisory
https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/
Permissions Required
https://launchpad.support.sap.com/#/notes/2549983
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