CVE-2017-16689

high
Published 2017-12-12 · Modified 2026-05-13
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2
6.5
VIR risk
8.8

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.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cna@sap.com — https://launchpad.support.sap.com/#/notes/2449757

vendor Authored 2026-05-27

Vendor advisory: cna@sap.com — https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/

Application impact

VendorProductVersionsFixed
sapsap_kernel7.21
sapsap_kernel7.21ext
sapsap_kernel7.22
sapsap_kernel7.22ext
sapsap_kernel7.45
sapsap_kernel7.49

References

CWEs

CWE-287

Verify integrity in audit chain (admin only). AS-IS.