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CVE-2024-5953

389-ds-base: malformed userpassword hash may cause denial of service

No known exploitation. EPSS puts it in the 47th percentile. Fixed versions are out.

CVSS 3.15.7MediumEPSS percentile47th0.6% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products5 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Red Hat Directory Server 11.5 E4S for RHEL 8Fixed builds8060020250210084424.0ca98e7eStated by: CVE record
  • Red Hat Directory Server 11.7 for RHEL 8Fixed builds8080020240909040333.f969626eStated by: CVE record
  • Red Hat Directory Server 11.9 for RHEL 8Fixed builds8100020240902112955.37ed7c03Stated by: CVE record
  • Red Hat Directory Server 12.2 EUS for RHEL 9Fixed builds9020020240916150035.1674d574Stated by: CVE record
  • Red Hat Directory Server 12.4 for RHEL 9Fixed builds9040020240723122852.1674d574Stated by: CVE record

Versions as the sources state them. 17 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS47th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.6% chance of exploitation activity in the next 30 days, which ranks it in the 47th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

6 events over 737 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Patch availableworkaround available, record updated
  3. Publishedweakness classified

Affected products

And 9 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Scored 5.7 by NVD.

How it is reached

  • Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

Sources

References in the record

And 19 more references. See all after sign-in

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