CVE-2020-26834 — MEDIUM (5.4)

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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Sap	Hana Database	2.00

Related Weaknesses (CWE)

CWE-287

References

https://launchpad.support.sap.com/#/notes/2978768Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079Vendor Advisory
https://launchpad.support.sap.com/#/notes/2978768Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079Vendor Advisory

FAQ

What is CVE-2020-26834?

CVE-2020-26834 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 ...

How severe is CVE-2020-26834?

CVE-2020-26834 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-26834?

Check the references section above for vendor advisories and patch information. Affected products include: Sap Hana Database.