SAML Token Manipulation Vulnerability in SAP HANA Database
CVE-2021-21474

6.5MEDIUM

Key Information:

Vendor

SAP
Status
SAP Hana Database
Vendor
CVE Published:
9 February 2021

What is CVE-2021-21474?

The SAP HANA Database is vulnerable due to its acceptance of SAML tokens signed with MD5 digest. An attacker who secures an MD5-signed SAML Assertion can modify it without invalidating the digital signature. This manipulation could allow the attacker to impersonate a legitimate user within the SAP HANA environment, granting unauthorized access to confidential database content.

Affected Version(s)

SAP HANA Database < 1.0 < 1.0

SAP HANA Database < 2.0 < 2.0

References

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageI...
x_refsource_MISC
https://launchpad.support.sap.com/#/notes/2992154
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-21474 : SAML Token Manipulation Vulnerability in SAP HANA Database