No exploitation reported

CVE-2017-16689

No exploitation reported by the sources we read.

Published2017-12-12
WeaknessCWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A Trusted RFC connection in SAP KERNEL 32NUC, SAP KERNEL 32Unicode, SAP KERNEL 64NUC, SAP KERNEL 64Unicode 7.21, 7.21EXT, 7.22, 7.22EXT; SAP KERNEL from 7.21 to 7.22, 7.45, 7.49, can be established to a different client or a different user on the same system, although no explicit Trusted/Trusting Relation to the same system has been defined.

Timeline

dates in UTC

2017-12-1214:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-16689?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-16689?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Sap sap kernel

Branch	Affected	Fixed in	Source
7.21	= 7.21	no fix published	NVD
7.21	= 7.21ext	no fix published	NVD
7.22	= 7.22	no fix published	NVD
7.22	= 7.22ext	no fix published	NVD
7.45	= 7.45	no fix published	NVD
7.49	= 7.49	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

blogs.sap.comVendor Advisory
launchpad.support.sap.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.08.8read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
NVDweakness (CWE)CWE-287read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2017-12-12
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-16689?

Is CVE-2017-16689 actively exploited?

Active exploitation of CVE-2017-16689 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-16689?

CVE-2017-16689 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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