CVE-2016-5405

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 9.8Exploit: None knownExposed: 0

A fix is available — apply it.

389 Directory Server in Red Hat Enterprise Linux Desktop 6 through 7, Red Hat Enterprise Linux HPC Node 6 through 7, Red Hat Enterprise Linux Server 6 through 7, and Red Hat Enterprise Linux Workstation 6 through 7 allows remote attackers to obtain user passwords.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

June 8, 2017

Last Modified

June 17, 2026

Advisory Details (4)

Auto-updated Aug 25, 2026
Patch available. Sources: redhat.
redhat Patch Available

1358865 – (CVE-2016-5405) CVE-2016-5405 389-ds-base: Password verification vulnerable to timing attack

Affected: Red Hat Enterprise Linux 7

https://bugzilla.redhat.com/show_bug.cgi?id=1358865
generic

CVE-2016-5405 - PSIRT.COM

http://www.securityfocus.com/bid/93884
generic
http://rhn.redhat.com/errata/RHSA-2016-2765.html
generic
http://rhn.redhat.com/errata/RHSA-2016-2594.html

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhat389-ds-base-0:1.2.11.15-84.el6_82016-11-15redhat
redhat389-ds-base-0:1.3.5.10-11.el72016-11-03redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(3 across 3 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
389-ds-base—1.3.5.15-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
389-ds-base—1.3.5.15-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
389-ds-base—1.3.5.15-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 4× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 146 total refreshes for this CVE.

  1. 2026-08-25 13:44 UTCEPSS rescore
  2. 2026-08-23 00:13 UTCEPSS rescore
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  25. 2026-07-25 14:13 UTCEPSS rescore
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  1. 2026-07-23 14:14 UTCEPSS rescore
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  23. 2026-07-11 08:23 UTCEPSS rescore
  24. 2026-07-09 19:05 UTCEPSS rescore
  25. 2026-07-08 15:10 UTCEPSS rescore
  26. 2026-07-08 10:27 UTCOSV refresh
  27. 2026-07-07 13:42 UTCEPSS rescore
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  49. 2026-06-21 01:57 UTCEPSS rescore
  50. 2026-06-21 01:57 UTCEPSS rescore
  51. 2026-06-19 22:06 UTCOSV refresh
  52. 2026-06-19 19:23 UTCEPSS rescore
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  54. 2026-06-18 17:50 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2016-5405?
CVE-2016-5405 is a critical vulnerability published on June 8, 2017. 389 Directory Server in Red Hat Enterprise Linux Desktop 6 through 7, Red Hat Enterprise Linux HPC Node 6 through 7, Red Hat Enterprise Linux Server 6 through 7, and Red Hat Enterprise Linux Workstation 6 through 7 allows remote attackers to obtain user passwords.
When was CVE-2016-5405 disclosed?
CVE-2016-5405 was first published in the National Vulnerability Database on June 8, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-5405 actively exploited?
CVE-2016-5405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 13.4% of all scored CVEs.
What is the CVSS score of CVE-2016-5405?
CVE-2016-5405 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2016-5405?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-5405, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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