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Vulnerability record · CVE-2021-21474 · published 9 February 2021

CVE-2021-21474: Sap hana database inadequate encryption strength vulnerability

Sap · Hana Database

SAP HANA Database, versions - 1.0, 2.0, accepts SAML tokens with MD5 digest, an attacker who manages to obtain an MD5-digest signed SAML Assertion issued for an SAP HANA instance might be able to tamper with it and alter it in a way that the digest continues to be the same and without invalidating the digital signature, this allows them to impersonate as user in HANA database and be able to read the contents in the database.

6.5 CVSS 3.1 Medium EPSS 0.70% · top 48.7% CWE-326 · Inadequate encryption strength
6.5CVSS 3.1 base score, v2 5.5
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

SAP HANA Database, versions - 1.0, 2.0, accepts SAML tokens with MD5 digest, an attacker who manages to obtain an MD5-digest signed SAML Assertion issued for an SAP HANA instance might be able to tamper with it and alter it in a way that the digest continues to be the same and without invalidating the digital signature, this allows them to impersonate as user in HANA database and be able to read the contents in the database.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://launchpad.support.sap.com/#/notes/2992154 Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543 Vendor Advisory
https://launchpad.support.sap.com/#/notes/2992154 Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-21474), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.