phpMyAdmin up to 4.6.3/ SaveDir/UploadDir username path traversal

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in phpMyAdmin up to 4.6.3/ (Database Administration Software) and classified as critical. Affected by this issue is an unknown functionality of the component SaveDir/UploadDir. The manipulation of the argument username with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, and integrity. CVE summarizes:

An issue was discovered in phpMyAdmin involving the %u username replacement functionality of the SaveDir and UploadDir features. When the username substitution is configured, a specially-crafted user name can be used to circumvent restrictions to traverse the file system. All 4.6.x versions (prior to 4.6.4), 4.4.x versions (prior to, and 4.0.x versions (prior to are affected.

The bug was discovered 08/06/2016. The weakness was released 12/11/2016 by Emanuel Bronshtein (Website). The advisory is available at This vulnerability is handled as CVE-2016-6614 since 08/06/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 42 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 93566 (Debian DLA-626-1 : phpmyadmin security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169133 (OpenSuSE Security Update for phpMyAdmin (openSUSE-SU-2016:2176-1)).

Upgrading to version 4.6.4, or eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (93566). Entries connected to this vulnerability are available at 94038, 94039, 94040 and 94041.






CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
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NVD Base Score: 6.8
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Class: Path traversal
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 93566
Nessus Name: Debian DLA-626-1 : phpmyadmin security update
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OpenVAS ID: 802585
OpenVAS Name: SuSE Update for phpMyAdmin openSUSE-SU-2016:2168-1 (phpMyAdmin)
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Threat Intelligenceinfo

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Recommended: Upgrade
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Upgrade: phpMyAdmin 4.6.4/


07/12/2016 🔍
08/06/2016 +25 days 🔍
08/06/2016 +0 days 🔍
09/17/2016 +42 days 🔍
09/19/2016 +2 days 🔍
12/10/2016 +82 days 🔍
12/11/2016 +1 days 🔍
12/11/2016 +0 days 🔍
10/05/2022 +2124 days 🔍



Advisory: DLA 1415-1
Researcher: Emanuel Bronshtein
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6614 (🔍)
SecurityFocus: 94366 - phpMyAdmin CVE-2016-6614 Directory Traversal Vulnerability

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Created: 12/11/2016 09:12 AM
Updated: 10/05/2022 02:45 PM
Changes: 12/11/2016 09:12 AM (67), 06/23/2019 10:45 AM (15), 10/05/2022 02:45 PM (3)
Complete: 🔍


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