CVE-2024-5953
389-ds-base: Malformed userPassword hash may cause Denial of Service
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 13, 2024
Updated · February 26, 2026
Description
A denial of service vulnerability was found in the 389-ds-base LDAP server. This issue may allow an authenticated user to cause a server denial of service while attempting to log in with a user with a malformed hash in their password.
Statement
LDAP servers are not usually exposed to the open internet, requiring adjacent connectivity for a successful attack. This issue also requires a compromised user account to perform the attack. Therefore, this flaw is rated as a Moderate severity.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.7CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-1288 · Improper Validation of Consistency within Input