7.5

CVE-2024-3657: 389-ds-base Improper Input Validation

CVSS: 7.5v3.1HighDeferred
AliasesUBUNTU-CVE-2024-3657DEBIAN-CVE-2024-3657
Published 28-05-2024Last modified 25-02-2026
Open JSON

Vulnerability summary

CVE-2024-3657 is a high (CVSS 7.5) Improper Input Validation vulnerability in 389-ds-base. EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 19 · Related 7
DLA-4021-1OPENSUSE-SU-2024:14227-1RHSA-2024:3591RHSA-2024:3837RHSA-2024:4092RHSA-2024:4209

Timeline

  1. 28-05-2024
    PublishedVulnerability first disclosed.
  2. 25-02-2026
    Last modifiedVulnerability information updated.

Description

A flaw was found in 389-ds-base. A specially-crafted LDAP query can potentially cause a failure on the directory server, leading to a denial of service

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.26%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.26% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • 389-ds-base< 2.3.1+dfsg1-1+deb12u1 | < 3.1.1+dfsg1-1
Ubuntu1 product
  • 389-ds-baseAll versions (No fix recorded)

2 vendors · 2 products

References

17 links
Show all 17 references