Auth bypass in Sap 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…

Vulnerability class: Broken Authentication

EPSS: 0.012 (63.9th percentile) — read the EPSS interpretation.

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.

Affected products

  • Sap 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

  • cna@sap.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cna@sap.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
  • cna@sap.com (Vendor Advisory, Permissions Required, x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2017-16689?
CVE-2017-16689 is a high-severity vulnerability in Sap 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.