SAML Authentication Vulnerability in SAP HANA Database 2.0
CVE-2020-26834

4.2MEDIUM

Key Information:

Vendor

SAP
Status
SAP Hana Database
Vendor
CVE Published:
9 December 2020

What is CVE-2020-26834?

SAP HANA Database version 2.0 contains an authentication issue where the application fails to properly validate usernames during SAML bearer token-based user authentication. This vulnerability enables attackers to manipulate a legitimate SAML bearer token and authenticate as a user whose full name matches the truncated username in the token, potentially leading to unauthorized access to sensitive resources within the database.

Affected Version(s)

SAP HANA Database < 2.0

References

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageI...
x_refsource_MISC
https://launchpad.support.sap.com/#/notes/2978768
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CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.