Vulnerability Details : CVE-2021-21474
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.
Products affected by CVE-2021-21474
- cpe:2.3:a:sap:hana_database:2.00:*:*:*:*:*:*:*
- cpe:2.3:a:sap:hana_database:1.00:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21474
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21474
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:N |
8.0
|
4.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
1.2
|
5.2
|
NIST |
CWE ids for CVE-2021-21474
-
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-21474
-
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=568460543
Vendor Advisory
-
https://launchpad.support.sap.com/#/notes/2992154
SAP ONE Support Launchpad: Log OnPermissions Required
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