CVE-2016-9849

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-12-11 · updated 2026-06-17
Weakness: CWE-264

Description

An issue was discovered in phpMyAdmin. It is possible to bypass AllowRoot restriction ($cfg['Servers'][$i]['AllowRoot']) and deny rules for username by using Null Byte in the username. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

Affected products

phpMyAdmin: 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4.1 (+57)

References

http://www.securityfocus.com/bid/94521
https://lists.debian.org/debian-lts-announce/2019/06/msg00009.html
https://security.gentoo.org/glsa/201701-32
https://www.phpmyadmin.net/security/PMASA-2016-60
http://www.securityfocus.com/bid/94521
https://lists.debian.org/debian-lts-announce/2019/06/msg00009.html
https://security.gentoo.org/glsa/201701-32
https://www.phpmyadmin.net/security/PMASA-2016-60

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