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Status published
High
CVE-2021-21311
SSRF in adminer
Vulnerability Description
Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6
- https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf
- https://packagist.org/packages/vrana/adminer
- https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351
- https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html
More from vrana
View All →Affected Vendor
vrana
View all reports →Affected Software
adminer
Vulnerable Versions:
>= 4.0.0, < 4.7.9
Timeline
Official Publish:
February 11th, 2021
Last Modified:
October 21st, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N