CVE-2023-45197: Adminer and AdminerEvo vulnerable to directory traversal and file upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-21 · updated 2026-06-17
Weakness: CWE-22

Description

The file upload plugin in Adminer and AdminerEvo allows an attacker to upload a file with a table name of “..” to the root of the Adminer directory. The attacker can effectively guess the name of the uploaded file and execute it. Adminer is no longer supported, but this issue was fixed in AdminerEvo version 4.8.3.

Affected products

AdminerEvo: before 4.8.3 — fixed in 4.8.3

How to fix

Upgrade to a fixed version: AdminerEvo 4.8.3. Check the vendor advisory for mitigations.

References

https://github.com/adminerevo/adminerevo/commit/1cc06d6a1005fd833fa009701badd5641627a1d4
https://github.com/adminerevo/adminerevo/releases/tag/v4.8.3
https://github.com/adminerevo/adminerevo/commit/1cc06d6a1005fd833fa009701badd5641627a1d4
https://github.com/adminerevo/adminerevo/releases/tag/v4.8.3

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