GHSA-qf3f-7x69-qfv3 · Severity: medium · Ecosystem: composer — phpMyAdmin DoS Vulnerability
An issue was discovered in phpMyAdmin. An unauthenticated user is able to execute a denial-of-service (DoS) attack by forcing persistent connections when phpMyAdmin is running with $cfg['AllowArbitraryServer']=true. 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.
Conclusion & alert: CVE-2016-6622 is rated Moderate Risk (50.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.81%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.94% | 1.81% | +0.86% |
| 2 | 2026-05-27 | 1.02% | 0.94% | -0.07% |
| 3 | 2025-07-30 | — | 1.02% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.9 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-qf3f-7x69-qfv3 · Severity: medium · Ecosystem: composer — phpMyAdmin DoS Vulnerability
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-6622 not yet assigned priority: Debian including 1 source packages (phpmyadmin), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. | https://security-tracker.debian.org/tracker/CVE-2016-6622 |
gentoo
|
normal | CVE-2016-6622: 1 GLSA(s) (201701-32), 1 atom(s) (dev-db/phpmyadmin); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-6622 |
ubuntu
|
negligible | CVE-2016-6622 negligible priority: Ubuntu including 1 source packages (phpmyadmin), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 18, needed 2, DNE 1, ignored 1, released 1. | https://ubuntu.com/security/CVE-2016-6622 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| phpmyadmin | phpmyadmin | 4.0.0 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.0:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.2 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.2:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.3 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.3:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.4 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.4:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.4.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.4.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.4.2 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.4.2:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.5 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.5:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.6 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.6:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.7 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.7:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.8 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.8:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.9 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.9:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.2 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.2:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.3 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.3:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.4 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.4:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.5 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.5:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.6 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.6:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.7 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.7:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.8 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.8:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.9 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.9:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.10 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.10:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.11 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.11:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.12 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.12:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.13 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.13:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.14 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.14:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.15 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.15:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.0.10.16 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.16:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.0 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.0:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.1.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.2 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.2:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.3 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.3:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.4 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.4:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.5 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.5:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.6 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.6:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.6.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.6.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.7 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.7:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.8 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.8:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.9 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.9:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.10 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.10:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.11 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.11:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.12 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.12:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.13 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.13:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.13.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.13.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.14 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.14:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.14.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.14.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15.2 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.2:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15.3 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.3:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15.4 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.4:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15.5 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.5:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15.6 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.6:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.4.15.7 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.7:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.6.0 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.0:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.6.1 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.1:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.6.2 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.2:*:*:*:*:*:*:* |
| phpmyadmin | phpmyadmin | 4.6.3 | cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.3:*:*:*:*:*:*:* |