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CVE-2016-6623

18
FAUCET Score

CVE-2016-6623 describes a denial-of-service vulnerability in phpMyAdmin, affecting versions 4.6.x prior to 4.6.4, 4.4.x prior to 4.4.15.8, and 4.0.x prior to 4.0.10.17. An authenticated attacker can trigger this DoS by submitting excessively large values to a loop within the application. Rated with a CVSS score of 6.5 (Medium), this vulnerability has a network attack vector, low attack complexity, and high availability impact, but no confidentiality or integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.4.0CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.0:*:*:*:*:*:*:*
4.4.1CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1:*:*:*:*:*:*:*
4.4.1.1CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1.1:*:*:*:*:*:*:*
4.4.2CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.2:*:*:*:*:*:*:*
4.4.3CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.69%
Probability of exploitation in next 30 days
EPSS Percentile
74.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0169 is in the 88th percentile among its peer group of 21,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: phpmyadmin/phpmyadminFixed in: 4.6.4
composerpatch availablevia ghsa
Product: phpmyadmin/phpmyadminFixed in: 4.4.15.8
composerpatch availablevia ghsa
Product: phpmyadmin/phpmyadminFixed in: 4.0.10.17

Vendor Advisories (1)

composerGHSA-2mcj-3r3r-v5wmmedium

phpMyAdmin DoS Vulnerability

May 17, 2022

References

security.gentoo.org / glsa/201701-32
phpmyadmin.net / security/PMASA-2016-46
PatchVendor Advisory
securityfocus.com / bid/95052