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Vulnerability record · CVE-2021-3652 · published 18 April 2022

CVE-2021-3652: Port389 389-ds-base improper authentication vulnerability

Port389 · 389 Ds Base

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.

6.5 CVSS 3.1 Medium EPSS 1.5% · top 26.4% CWE-287 · Improper authentication
6.5CVSS 3.1 base score, v2 6.4
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References
17 Jun 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-3652), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.