Auth bypass in Sap Hana_database
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…
Vulnerability class: Broken Authentication
EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Sap Hana_database — versions 2.00
- Sap Se Hana Database — versions < 2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@sap.com (x_refsource_MISC, Vendor Advisory)
- cna@sap.com (Permissions Required, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-26834?
- CVE-2020-26834 is a medium-severity vulnerability in Sap Hana_database, classified under Improper Authentication. CVSS score: 5.4/10. Published 2020-12-09.
- How severe is CVE-2020-26834?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-26834 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.