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TI-2021-02594 Aliases CVE-2021-3652GHSA-qc73-mcqm-3m29

Improper authentication in 389-ds-base

Priority LOW 32CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · None
Fix status
Partial Red Hat: 9 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.01486 74th percentileScored 2026-11-07
Fix Partial Red Hat: 4 advisoriesRed Hat: 9 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—389-ds-base389-ds-base 2.0.7—No fix listedCNA
  • 389-ds-base Vendor— Affected 389-ds-base 2.0.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:port389:389-ds-base:*:*:*:*:*:*:*:*before 2.0.7VulnerablePort389
  • cpe:2.3:a:port389:389-ds-base:*:*:*:*:*:*:*:* Versions before 2.0.7 Vulnerable ·Port389

Remediation

Red Hat 4 advisories

  • RHSA-2021:3955 Released 2021-10-25 · Red Hat rating Low
    redhat-ds:11 security, bug fix, and enhancement update
    • Red Hat Directory Server 11.4 for RHEL 8 389-ds-base-1.4.3.27-2.module+el8dsrv+12690+c6df6d1b.src::redhat-ds:11, 389-ds-base-1.4.3.27-2.module+el8dsrv+12690+c6df6d1b.x86_64::redhat-ds:11, 389-ds-base-devel-1.4.3.27-2.module+el8dsrv+12690+c6df6d1b.x86_64::redhat-ds:11 +5
  • RHSA-2021:3906 Released 2021-10-19 · Red Hat rating Low
    389-ds:1.4 security and bug fix update
    • Red Hat Enterprise Linux AppStream EUS (v. 8.2) 389-ds-base-1.4.2.4-17.module+el8.2.0+12297+55707ea6.aarch64::389-ds:1.4, 389-ds-base-1.4.2.4-17.module+el8.2.0+12297+55707ea6.ppc64le::389-ds:1.4, 389-ds-base-1.4.2.4-17.module+el8.2.0+12297+55707ea6.s390x::389-ds:1.4 +19
  • RHSA-2021:3807 Released 2021-10-12 · Red Hat rating Low
    389-ds-base security and bug fix update
    • Red Hat Enterprise Linux Client Optional (v. 7) 389-ds-base-1.3.10.2-13.el7_9, 389-ds-base-devel-1.3.10.2-13.el7_9, 389-ds-base-libs-1.3.10.2-13.el7_9 +1
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) 389-ds-base-1.3.10.2-13.el7_9, 389-ds-base-devel-1.3.10.2-13.el7_9, 389-ds-base-libs-1.3.10.2-13.el7_9 +1
    • Red Hat Enterprise Linux Server (v. 7) 389-ds-base-1.3.10.2-13.el7_9, 389-ds-base-libs-1.3.10.2-13.el7_9
    • Red Hat Enterprise Linux Server Optional (v. 7) 389-ds-base-1.3.10.2-13.el7_9, 389-ds-base-devel-1.3.10.2-13.el7_9, 389-ds-base-libs-1.3.10.2-13.el7_9 +1
    • Red Hat Enterprise Linux Workstation (v. 7) 389-ds-base-1.3.10.2-13.el7_9, 389-ds-base-libs-1.3.10.2-13.el7_9
    • Red Hat Enterprise Linux Workstation Optional (v. 7) 389-ds-base-devel-1.3.10.2-13.el7_9, 389-ds-base-snmp-1.3.10.2-13.el7_9
Show 1 more Red Hat advisories
  • RHSA-2021:3079 Released 2021-08-10 · Red Hat rating Low
    389-ds:1.4 security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) 389-ds-base-1.4.3.16-19.module+el8.4.0+11894+f5bb5c43.aarch64::389-ds:1.4, 389-ds-base-1.4.3.16-19.module+el8.4.0+11894+f5bb5c43.ppc64le::389-ds:1.4, 389-ds-base-1.4.3.16-19.module+el8.4.0+11894+f5bb5c43.s390x::389-ds:1.4 +19

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Directory Server 11.4 for RHEL 8Fixed RHSA-2021:3955
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:3079
Red Hat Enterprise Linux AppStream EUS (v. 8.2)Fixed RHSA-2021:3906
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2021:3807
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2021:3807
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2021:3807
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2021:3807
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2021:3807
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2021:3807
Not affected: 1 product
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3652
  2. 2026-10-03 Alias added: GHSA-qc73-mcqm-3m29

References

Patch 1

Advisory 1

Other 1

  • TI-2022-02643 NULL pointer dereference in 389-ds-base CVSS 3.1MEDIUM 6.5
  • TI-2022-00821 A vulnerability was discovered in the 389 Directory Server that allows an unauthenticated… CVSS 3.1HIGH 7.5
  • TI-2021-02971 Double free in 389-ds-base CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences