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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.67% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.5% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-12-11 02:00Z9 YR AGO
- Last updated
- 2024-08-06 02:59Z2 YR AGO
- Reserved
- 2016-12-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 373476beb254c870bc70e39c0b162a88033039ad3eaad3072670c027c27a6982
05 Affected products
06 References
- www.securityfocus.com94521http://www.securityfocus.com/bid/94521
- www.phpmyadmin.nethttps://www.phpmyadmin.net/security/PMASA-2016-60
- security.gentoo.orgGLSA-201701-32https://security.gentoo.org/glsa/201701-32
- lists.debian.org[debian-lts-announce] 20190617 [SECURITY] [DLA 1821-1] phpmyadmin security updatehttps://lists.debian.org/debian-lts-announce/2019/06/msg00009.html
07 Fixed in
Debian 12
- phpmyadmin Fixed in 4:4.6.5.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- phpmyadmin Fixed in 4:4.6.5.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- phpmyadmin Fixed in 4:4.6.5.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- phpmyadmin Fixed in 4:4.0.10-1ubuntu0.1+esm3Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- phpmyadmin Fixed in 4:4.5.4.1-2ubuntu2.1+esm5Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.