Auth bypass in SAP Kernel
CVE-2017-16689
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- SAP Kernel — versions 7.21, 7.21ext, 7.22
- SAP Trusted Rfc Connection — versions SAP KERNEL 32NUC; SAP KERNEL 32Unicode; SAP KERNEL64NUC; SAP KERNEL64 Unicode 7.21, 7.21EXT, 7.22, 7.22EXT; SAP KERNEL from 7.21 to 7.22, 7.45, 7.49
Weakness classification (CWE)
References
- www.securityfocus.com/bid/102144 (VDB Entry, Third Party Advisory, vdb-entry)
- blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/ (Issue Tracking, Vendor Advisory)
- launchpad.support.sap.com/ (Vendor Advisory, Permissions Required)
Frequently asked questions
- What is CVE-2017-16689?
- CVE-2017-16689 is a high-severity vulnerability in SAP Kernel, classified under Improper Authentication. CVSS score: 8.8/10. Published 2017-12-12.
- How severe is CVE-2017-16689?
- High severity. CVSS v3 base score is 8.8 out of 10.