CVE-2021-21484

LDAP authentication in SAP HANA Database version 2.0 can be bypassed if the attached LDAP directory server is configured to enable unauthenticated bind

High · published March 9, 2021

CVSS v3.0
7.7
EPSS
1%
Percentile
69.2
In the wild
Unconfirmed
What it is

⚡ An unauthenticated bind to your LDAP directory server could let anyone bypass authentication in SAP HANA Database version 2.0! 🔥 Think of your LDAP directory server as a guest list for a fancy restaurant. If someone can sneak in without showing their reservation, they can dine at any table they want! This vulnerability means that a sneaky attacker could gain unauthorized access to your SAP HANA database, leading to potential data breaches, unauthorized modifications, or even complete system takeovers. The implications can be absolutely devastating for your organization, putting sensitive information at serious risk!

Put simply

Think of your LDAP directory server as a guest list for a fancy restaurant. If someone can sneak in without showing their reservation, they can dine at any table they want! The issue lies in the LDAP authentication mechanism, allowing attackers to connect without proper credentials if the LDAP directory server permits unauthenticated bind. Essentially, it’s like skipping the check-in desk and walking straight to the VIP area!

What to do

This vulnerability means that a sneaky attacker could gain unauthorized access to your SAP HANA database, leading to potential data breaches, unauthorized modifications, or even complete system takeovers. The implications can be absolutely devastating for your organization, putting sensitive information at serious risk! To mitigate this vulnerability, ensure that your LDAP directory server is configured to require authenticated bindings. Additionally, update SAP HANA Database to the latest version to apply any security patches. Regular audits of your authentication settings can help maintain security. 🛡️ You've got this! By following these steps, you'll shore up your defenses and keep your data secure! 🚀

The record
Technical detail
CVSS v3.0
7.7 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.01251 · 69.2th percentile
Published
2021-03-09T14:11Z
EPSS history
Timeline
  • 09 MAR 14:11Z
    LDAP authentication in SAP HANA Database version 2.0 can be bypassed if the attached LDAP directory server is configured to enable unauthenticated bind
    cvelistv5