CVE-2016-6623: n/a vulnerability

CVE-2016-6623: An issue was discovered in phpMyAdmin.

An issue was discovered in phpMyAdmin. An authorized user can cause a denial-of-service (DoS) attack on a server by passing large values to a loop. All 4.6.x versions (prior to 4.6.4), 4.4.x versions (prior to 4.4.15.8), and 4.0.x versions (prior to 4.0.10.17) are affected.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 01:36 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2016-6623 is a phpMyAdmin denial-of-service issue. A logged-in user can provide very large values that make the server spend excessive time in a loop. The documented impact is service disruption, not data theft or code execution. Exposure is most likely where affected phpMyAdmin versions are still deployed and reachable by authenticated users. Internet-facing admin panels, shared hosting, or environments with many database users carry higher operational risk. Treat as a practical availability risk for legacy phpMyAdmin deployments. Prioritize upgrades where the panel is externally reachable or shared across many users, but do not treat it as proven active exploitation based on this bundle. Mitigation focus: Upgrade phpMyAdmin to 4.6.4, 4.4.15.8, 4.0.10.17, or later supported releases.; Review phpMyAdmin vendor advisory PMASA-2016-46 for exact release guidance.; Limit phpMyAdmin access to trusted networks and necessary users..

Prepared: Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 11, 2016, 02:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://www.phpmyadmin.net/security/PMASA-2016-46CVE reference · x_refsource_CONFIRM
GLSA-201701-32CVE reference · vendor-advisory, x_refsource_GENTOO

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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