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Known exploited vulnerabilities

Adminer vulnerabilities attackers have used

Every Adminer vulnerability in CISA's Known Exploited Vulnerabilities catalog, newest first, with the federal due date and whether it fed ransomware campaigns.

The short answer

CISA lists 1 Adminer vulnerability as exploited in the wild, 0 of them added in the last 12 months. The most recent is CVE-2021-21311, added Sep 29, 2025. Adminer has the most entries (1).

In KEV, all time
1
Added, last 12 months
0
Used in ransomware
0
New CVEs this week
0

Every Adminer entry in CISA KEV

  1. CVE-2021-21311

    Added · due

    Adminer Server-Side Request Forgery Vulnerability

    Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.

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