CVE-2021-3652

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-04-18 · updated 2026-06-17
Weakness: CWE-287

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.

Affected products

Port389 389-Ds-Base: before 2.0.7 — fixed in 2.0.7

How to fix

Upgrade to a fixed version: Port389 389-Ds-Base 2.0.7. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1982782
https://github.com/389ds/389-ds-base/issues/4817
https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
https://bugzilla.redhat.com/show_bug.cgi?id=1982782
https://github.com/389ds/389-ds-base/issues/4817
https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
https://lists.debian.org/debian-lts-announce/2025/01/msg00015.html

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