CVE-2017-16689: sap sap_kernel Improper Authentication
Vulnerability summary
CVE-2017-16689 is a high (CVSS 8.8) Improper Authentication vulnerability in sap sap_kernel. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.5% of scored vulnerabilities.
Timeline
- 12-12-2017PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.19%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.19% on 22-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sap2 products
- sap_kernel7.21 | 7.21ext | 7.22 | 7.22ext | 7.45 | 7.49
- trusted rfc connectionSAP 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
1 vendor · 2 products
References
3 links- blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/X Refsource CONFIRMIssue TrackingVendor Advisory