CVE-2016-6621

phpMyAdmin server-side request forgery (SSRF)

8.6 HighFix available

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.93%Up 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 8.6

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: CVE-2016-6621
CVSS 3.0: 8.6 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

CVE List No score

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: CVE-2016-6621
Updated: 2026-11-02

EUVDEUVD-2016-7534 No score

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: EUVD-2016-7534
Updated: 2026-11-03

GitHub AdvisoriesGHSA-44vv-mm86-7cg6 8.6

phpMyAdmin server-side request forgery (SSRF)

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: GHSA-44vv-mm86-7cg6
CVSS 3.0: 8.6 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSV 8.6

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: CVE-2016-6621
CVSS 3.0: 8.6 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2016-6621 8.6

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: DEBIAN-CVE-2016-6621
CVSS 3.0: 8.6 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

Show 4 moreShow less

OSVGHSA-44vv-mm86-7cg6 8.6

phpMyAdmin server-side request forgery (SSRF)

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: GHSA-44vv-mm86-7cg6
CVSS 3.0: 8.6 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-6621 8.6

The setup script for phpMyAdmin before 4.0.10.19, 4.4.x before 4.4.15.10, and 4.6.x before 4.6.6 allows remote attackers to conduct server-side request forgery (SSRF) attacks via unspecified vectors.

Record: UBUNTU-CVE-2016-6621
CVSS 3.0: 8.6 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated: 2026-11-02

OSVMGASA-2017-0038 No score

Updated phpmyadmin packages fix security vulnerabilities

Multiple vulnerabilities in setup script (CVE-2016-6621 / PMASA-2016-44).

Open redirect (PMASA-2017-1).

php-gettext code execution (CVE-2015-8980 / PMASA-2017-2).

DOS vulnerability in table editing (PMASA-2017-3).

CSS injection in themes (PMASA-2017-4).

SSRF in replication (PMASA-2017-6).

DOS in replication status (PMASA-2017-7).

Record: MGASA-2017-0038
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10054-1 No score

phpMyAdmin-4.6.5.2-1.1 on GA media

These are all security issues fixed in the phpMyAdmin-4.6.5.2-1.1 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10054-1
Updated: 2026-11-02

Affected products

phpmyadmin

Affected packages

Affected packages
Package	Affected	Fixed
`phpmyadmin/phpmyadmin` Packagist	4.6.0 up to 4.6.6	4.6.6
`phpmyadmin/phpmyadmin` Packagist	4.4.0 up to 4.4.15.10	4.4.15.10
`phpmyadmin/phpmyadmin` Packagist	before 4.0.10.19	4.0.10.19
`phpmyadmin` Debian:12	before 4:4.6.6-1	4:4.6.6-1
`phpmyadmin` Debian:13	before 4:4.6.6-1	4:4.6.6-1
`phpmyadmin` Debian:14	before 4:4.6.6-1	4:4.6.6-1
`phpmyadmin` Debian:8 From an advisory covering 11 CVEs	before 4:4.2.12-2+deb8u3, plus listed versions 4:4.2.12-24:4.2.12-2+deb8u14:4.2.12-2+deb8u2	4:4.2.12-2+deb8u3
`phpmyadmin` Debian:7	before 4:3.4.11.1-2+deb7u8, plus listed versions 4:3.4.11.1-24:3.4.11.1-2+deb7u14:3.4.11.1-2+deb7u24:3.4.11.1-2+deb7u34:3.4.11.1-2+deb7u44:3.4.11.1-2+deb7u54:3.4.11.1-2+deb7u64:3.4.11.1-2+deb7u7	4:3.4.11.1-2+deb7u8
`phpmyadmin/phpmyadmin` Packagist	before 4.0.10.19, plus listed versions 4.0.04.0.14.0.104.0.10.14.0.10.2 Show 17 moreShow less 4.0.10.34.0.10.44.0.10.54.0.10.64.0.10.74.0.10.84.0.10.94.0.24.0.34.0.44.0.4.14.0.4.24.0.54.0.64.0.74.0.84.0.9	4.0.10.19
`phpmyadmin` Mageia:5 From an advisory covering 2 CVEs	before 4.4.15.10-1.mga5	4.4.15.10-1.mga5
`phpmyadmin` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 4:4.0.6-14:4.0.8-14:4.0.9-14:4.0.10-14:4.0.10-1ubuntu0.1 Show 4 moreShow less 4:4.0.10-1ubuntu0.1+esm14:4.0.10-1ubuntu0.1+esm24:4.0.10-1ubuntu0.1+esm34:4.0.10-1ubuntu0.1+esm4	None known
`phpmyadmin` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 4:4.4.13.1-14:4.5.0.2-24:4.5.1-14:4.5.1-24:4.5.1-3 Show 13 moreShow less 4:4.5.2-14:4.5.2-24:4.5.3.1-14:4.5.4-14:4.5.4.1-24:4.5.4.1-2ubuntu14:4.5.4.1-2ubuntu24:4.5.4.1-2ubuntu2.14:4.5.4.1-2ubuntu2.1+esm24:4.5.4.1-2ubuntu2.1+esm34:4.5.4.1-2ubuntu2.1+esm44:4.5.4.1-2ubuntu2.1+esm54:4.5.4.1-2ubuntu2.1+esm6	None known
`phpMyAdmin` openSUSE:Tumbleweed From an advisory covering 124 CVEs	before 4.6.5.2-1.1	4.6.5.2-1.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-6621 is a high vulnerability (CVSS 8.6) in Phpmyadmin, published January 31, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 80th percentile. Fixed in phpmyadmin/phpmyadmin 4.6.6.

References

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