CVE-2020-26834

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 v3 5.4 MEDIUM
CVSS v2.0 5.5 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:N

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:sap:hana_database:2.00:*:*:*:*:*:*:*

History

21 Nov 2024, 05:20

Type	Values Removed	Values Added
References	~~() https://launchpad.support.sap.com/#/notes/2978768 - Permissions Required~~	() https://launchpad.support.sap.com/#/notes/2978768 - Permissions Required
References	~~() https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079 - Vendor Advisory~~	() https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079 - Vendor Advisory

Information

Published : 2020-12-09 17:15

Updated : 2024-11-21 05:20

NVD link : CVE-2020-26834

Mitre link : CVE-2020-26834

CVE.ORG link : CVE-2020-26834

JSON object : View

Products Affected

sap

hana_database

CWE

CWE-287

Improper Authentication

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