6.5

CVE-2021-3652: port389 389-ds-base Improper Authentication

CVSS: 6.5v3.1MediumModified
AliasesMGASA-2021-0440SUSE-SU-2021:2801-1SUSE-SU-2021:2857-1
Published 18-04-2022Last modified 03-11-2025
Open JSON

Vulnerability summary

CVE-2021-3652 is a medium (CVSS 6.5) Improper Authentication vulnerability in port389 389-ds-base. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.49%
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 5 · Related 2
DLA-3399-1DLA-4021-1RHSA-2021:3955SUSE-SU-2022:2109-1SUSE-SU-2022:2163-1

Timeline

  1. 18-04-2022
    PublishedVulnerability first disclosed.
  2. 03-11-2025
    Last modifiedVulnerability information updated.

Description

A flaw was found in 389-ds-base. If an asterisk is imported as password hashes, either accidentally or maliciously, then instead of being inactive, any password will successfully match during authentication. This flaw allows an attacker to successfully authenticate as a user whose password was disabled.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.49%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.49% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.49%

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

Redhat11 products
  • 389-ds-base< 0:1.3.10.2-13.el7_9 | < 0:1.4.2.4-17.module+el8.2.0+12297+55707ea6 | < 0:1.4.3.16-19.module+el8.4.0+11894+f5bb5c43
  • 389-ds-base-debuginfo< 0:1.3.10.2-13.el7_9 | < 0:1.4.2.4-17.module+el8.2.0+12297+55707ea6 | < 0:1.4.3.16-19.module+el8.4.0+11894+f5bb5c43
  • 389-ds-base-debugsource< 0:1.4.2.4-17.module+el8.2.0+12297+55707ea6 | < 0:1.4.3.16-19.module+el8.4.0+11894+f5bb5c43
  • 389-ds-base-devel< 0:1.3.10.2-13.el7_9 | < 0:1.4.2.4-17.module+el8.2.0+12297+55707ea6 | < 0:1.4.3.16-19.module+el8.4.0+11894+f5bb5c43
  • 389-ds-base-legacy-tools< 0:1.4.2.4-17.module+el8.2.0+12297+55707ea6 | < 0:1.4.3.16-19.module+el8.4.0+11894+f5bb5c43
Opensuse2 products
  • 389-ds&distro=openSUSE Leap 15.2< 1.4.3.24~git13.7b705e743-lp152.2.18.1
  • 389-ds&distro=openSUSE Leap 15.3< 1.4.4.16~git16.c1926dfc6-3.4.1
Suse2 products
  • 389-ds&distro=SUSE Linux Enterprise Module for Server Applications 15 SP2< 1.4.3.24~git13.7b705e743-3.19.1
  • 389-ds&distro=SUSE Linux Enterprise Module for Server Applications 15 SP3< 1.4.4.16~git16.c1926dfc6-3.4.1
Debian1 product
  • 389-ds-base< 1.4.4.17-1
Mageia1 product
  • 389-ds-base< 1.4.0.26-8.1.mga8
Port3891 product
Ubuntu1 product
  • 389-ds-base< 1.3.7.10-1ubuntu1

7 vendors · 19 products

References

37 links
Show all 37 references