CVE-2021-21484 Auth bypass in SAP HANA
Attackers can bypass LDAP authentication in SAP HANA if the directory server allows unauthenticated binds, requiring configuration changes to secure the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21484?
CVE-2021-21484 is a high-severity authentication bypass vulnerability in SAP HANA, published on 9 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
LDAP authentication in SAP HANA Database version 2.0 can be bypassed if the attached LDAP directory server is configured to enable unauthenticated bind.
Weakness: CWE-863
Which versions are affected by CVE-2021-21484?
It affects 1 product.
Products include Sap Hana.
How do I fix CVE-2021-21484?
No fix has been published for CVE-2021-21484 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-21484 being exploited?
There is no known exploitation of CVE-2021-21484 in the wild and no public exploit code.
Other vulnerabilities in SAP HANA
Sources
Also known as GHSA-qq36-2m78-ghvj.