ACTIVELY EXPLOITED
CVE-2021-21311: Adminer Server-Side Request Forgery Vulnerability
| Vendor | Adminer |
|---|---|
| Product | Adminer |
| Actively exploited | Yes |
| Added to CISA KEV | 29 Sep 2025 |
| CISA federal deadline | 20 Oct 2025 |
| Weakness (CWE) | CWE-918 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.
SOURCES
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.