UpHeron
All vulnerabilities

Servers and applications

CVE-2016-9849

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.

Severity
Critical 9.8
Published
11 Dec 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.7% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-264
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
phpMyAdminServers and applications · cpe:a:phpmyadmin:phpmyadmin
  • Version 4.6.4
  • Version 4.6.3
  • Version 4.6.2
  • Version 4.6.1
All 63 release lines
  • Version 4.0.0
  • Version 4.0.1
  • Version 4.0.2
  • Version 4.0.3
  • Version 4.0.4
  • Version 4.0.4.1
  • Version 4.0.4.2
  • Version 4.0.5
  • Version 4.0.6
  • Version 4.0.7
  • Version 4.0.8
  • Version 4.0.9
  • Version 4.0.10
  • Version 4.0.10.1
  • Version 4.0.10.2
  • Version 4.0.10.3
  • Version 4.0.10.4
  • Version 4.0.10.5
  • Version 4.0.10.6
  • Version 4.0.10.7
  • Version 4.0.10.8
  • Version 4.0.10.9
  • Version 4.0.10.10
  • Version 4.0.10.11
  • Version 4.0.10.12
  • Version 4.0.10.13
  • Version 4.0.10.14
  • Version 4.0.10.15
  • Version 4.0.10.16
  • Version 4.0.10.17
  • Version 4.4.0
  • Version 4.4.1
  • Version 4.4.1.1
  • Version 4.4.2
  • Version 4.4.3
  • Version 4.4.4
  • Version 4.4.5
  • Version 4.4.6
  • Version 4.4.6.1
  • Version 4.4.7
  • Version 4.4.8
  • Version 4.4.9
  • Version 4.4.10
  • Version 4.4.11
  • Version 4.4.12
  • Version 4.4.13
  • Version 4.4.13.1
  • Version 4.4.14
  • Version 4.4.14.1
  • Version 4.4.15
  • Version 4.4.15.1
  • Version 4.4.15.2
  • Version 4.4.15.3
  • Version 4.4.15.4
  • Version 4.4.15.5
  • Version 4.4.15.6
  • Version 4.4.15.7
  • Version 4.4.15.8
  • Version 4.6.0
  • Version 4.6.1
  • Version 4.6.2
  • Version 4.6.3
  • Version 4.6.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-9849
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-9849