CVE-2020-26834 - CVE House
Back to Database
Status published Medium CVE-2020-26834

SAP HANA Database, version - 2.0, does not correctly validate...

Vulnerability Description

SAP HANA Database, version - 2.0, does not correctly validate the username when performing SAML bearer token-based user authentication. It is possible to manipulate a valid existing SAML bearer token to authenticate as a user whose name is identical to the truncated username for whom the SAML bearer token was issued.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-26834

Credits & Attribution

No credits recorded in the NVD database.

References

More from SAP SE

View All →
CVE-2025-42956
Multiple vulnerabilities in SAP NetWeaver Application Server ABAP
Medium 6.1
CVE-2023-40307
Privileges Memory Corruption (Out-of-bound write)
Medium 6.3
CVE-2023-40306
URL Redirection vulnerability in SAP S/4HANA (Manage Catalog Items and Cross-Catalog search)
Medium 6.1
CVE-2023-36920
Clickjacking vulnerability in SAP Enable Now
Medium 6.1
CVE-2022-41260
SAP Financial Consolidation - version 1010, does not sufficiently encode...
Medium 6.1

Affected Vendor

Affected Software

SAP HANA Database
Vulnerable Versions:
< 2.0

Timeline

Official Publish: December 9th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.