Is CVE-2016-6629 in the CISA KEV catalog?

No. CVE-2016-6629 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-6629?

CVE-2016-6629 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2016-6629?

CVE-2016-6629 has an EPSS score of 3.20% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-6629?

Upgrade phpmyadmin on debian 11 to 4:4.6.4+dfsg1-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-6629

CRITICALEPSS 87th pctl

9.8

CVSS v3

NVD

Description

An issue was discovered in phpMyAdmin involving the $cfg['ArbitraryServerRegexp'] configuration directive. An attacker could reuse certain cookie values in a way of bypassing the servers defined by ArbitraryServerRegexp. 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-254

How to fix

Remediation Available

phpmyadminDebian

Fixed in:4:4.6.4+dfsg1-1CVE-2016-6629

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.20%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch1

phpmyadmin.net

Third-Party Advisory1

securityfocus.com

Other references1

security.gentoo.org

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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.