CVE-2021-21311

7.2

HIGHCVSS v3.1 Base Score

94.21%

HIGH RiskEPSS (100th percentile)

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.

Published: 2/11/2021

Modified: 10/24/2025

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Vulnerability Summary

CVSS v3 Score

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CVSS v2 Score

6.4

AV:N/AC:L/Au:N/C:P/I:P/A:N

EPSS Score (Exploitation Probability)

94.21%HIGH Exploitation Risk

100th percentile

This vulnerability has a 94.21% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

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