CVE-2021-21311: Adminer Server-Side Request Forgery Vulnerability

CVE ID

CVE-2021-21311

Vulnerability Name

Adminer Server-Side Request Forgery Vulnerability

• Project: Adminer
• Product: Adminer

Date

• Date Added: 2025-09-29
• Due Date: 2025-10-20

Description

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

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6 ; https://nvd.nist.gov/vuln/detail/CVE-2021-21311

More CVEs Info

Common Vulnerabilities & Exposures (CVE) List