CVE-2016-6606
Summary
| CVE | CVE-2016-6606 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-11 02:59:10 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | An issue was discovered in cookie encryption in phpMyAdmin. The decryption of the username/password is vulnerable to a padding oracle attack. This can allow an attacker who has access to a user's browser cookie file to decrypt the username and password. Furthermore, the same initialization vector (IV) is used to hash the username and password stored in the phpMyAdmin cookie. If a user has the same password as their username, an attacker who examines the browser cookie can see that they are the same - but the attacker can not directly decode these values from the cookie as it is still hashed. 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. |
Risk And Classification
Primary CVSS: v3.0 8.1 HIGH from [email protected]
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.002580000 probability, percentile 0.491400000 (date 2026-05-11)
Problem Types: CWE-200 | CWE-310 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 8.1 | HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:N/AC:L/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Phpmyadmin | Phpmyadmin | 4.0.0 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.10 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.11 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.12 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.13 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.14 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.15 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.16 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.2 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.3 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.4 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.5 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.6 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.7 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.8 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.10.9 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.2 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.3 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.4 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.4.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.4.2 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.5 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.6 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.7 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.8 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.0.9 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.0 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.1.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.10 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.11 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.12 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.13 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.13.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.14 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.14.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15.2 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15.3 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15.4 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15.5 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15.6 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.15.7 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.2 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.3 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.4 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.5 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.6 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.6.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.7 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.8 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.4.9 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.6.0 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.6.1 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.6.2 | All | All | All |
| Application | Phpmyadmin | Phpmyadmin | 4.6.3 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| phpMyAdmin - Security - PMASA-2016-29 | af854a3a-2127-422b-91ae-364da2661108 | www.phpmyadmin.net | Patch, Vendor Advisory |
| [SECURITY] [DLA 1821-1] phpmyadmin security update | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| phpMyAdmin CVE-2016-6606 Security Bypass Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| phpMyAdmin: Multiple vulnerabilities (GLSA 201701-32) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 710467 Gentoo Linux Hypertext Preprocessor (PHP) MyAdmin Multiple Vulnerabilities (GLSA 201701-32)