CVE-2024-6237
389-ds-base: unauthenticated user can trigger a DoS by sending a specific extended search request
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 10, 2024
Updated · November 21, 2025
Description
A flaw was found in the 389 Directory Server. This flaw allows an unauthenticated user to cause a systematic server crash while sending a specific extended search request, leading to a denial of service.
Statement
The issue is classified as moderate severity rather than important because, while it allows an unauthenticated user to trigger a denial of service (DoS) by sending a specific extended search request, it does not compromise the integrity or confidentiality of the system. The vulnerability is limited to service availability, meaning the server can crash and become temporarily unavailable, but no data is leaked, altered, or accessed by unauthorized users. Additionally, recovery from this condition typically involves restarting the service, which can be automated or handled through monitoring tools, thus limiting the long-term impact. Since the flaw does not facilitate unauthorized access or privilege escalation, it is considered moderate in 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 do not 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 · 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-230 · Improper Handling of Missing Values