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Vulnerability record · CVE-2021-43008 · published 5 April 2022

CVE-2021-43008: Adminer vulnerability

Adminer · Adminer

Improper Access Control in Adminer versions 1.12.0 to 4.6.2 (fixed in version 4.6.3) allows an attacker to achieve Arbitrary File Read on the remote server by requesting the Adminer to connect to a remote MySQL database.

7.5 CVSS 3.1 High EPSS 14% · top 3.6%
7.5CVSS 3.1 base score, v2 5.0
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Improper Access Control in Adminer versions 1.12.0 to 4.6.2 (fixed in version 4.6.3) allows an attacker to achieve Arbitrary File Read on the remote server by requesting the Adminer to connect to a remote MySQL database.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/vrana/adminer/releases/tag/v4.6.3 Release NotesThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00012.html Mailing ListThird Party Advisory
https://podalirius.net/en/cves/2021-43008/ ExploitThird Party Advisory
https://sansec.io/research/adminer-4.6.2-file-disclosure-vulnerability ExploitThird Party Advisory
https://www.adminer.org/ Product
https://github.com/vrana/adminer/releases/tag/v4.6.3 Release NotesThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00012.html Mailing ListThird Party Advisory
https://podalirius.net/en/cves/2021-43008/ ExploitThird Party Advisory
https://sansec.io/research/adminer-4.6.2-file-disclosure-vulnerability ExploitThird Party Advisory
https://www.adminer.org/ Product

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Source: NIST National Vulnerability Database (record CVE-2021-43008), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.