CVE & CISA-KEV Catalog

CVE-2016-6630

MEDIUMEPSS 79th pctl
6.5
CVSS v3
NVD

Description

An issue was discovered in phpMyAdmin. An authenticated user can trigger a denial-of-service (DoS) attack by entering a very long password at the change password dialog. 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.

CWE-20Improper Input Validation

How to fix

Remediation Available
phpmyadminDebian
Fixed in:4:4.6.4+dfsg1-1CVE-2016-6630
Fixed in:4:4.6.4+dfsg1-1CVE-2016-6630
Fixed in:4:4.6.4+dfsg1-1CVE-2016-6630
Fixed in:4:4.6.4+dfsg1-1CVE-2016-6630
phpmyadminUbuntu
Fixed in:4:4.0.10-1ubuntu0.1+esm4USN-4843-1
Fixed in:4:4.5.4.1-2ubuntu2.1+esm6USN-4843-1
Fixed in:4:4.6.6-5ubuntu0.5+esm1USN-4843-1
Fixed in:4:4.9.5+dfsg1-2ubuntu0.1~esm1USN-4843-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.07%probability of exploitation in 30 days
79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2021-45105Medium5.9100%-Fix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2018-7600Critical9.8100%KEV + RansomFix
CVE-2020-3452High7.5100%KEVFix
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Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.