CVE-2021-21311

CISA description

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

Required 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.

Notes & references

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

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

• RA-5 · Vulnerability Monitoring and Scanning
• SI-2 · Flaw Remediation
• CM-6 · Configuration Settings
• SI-7 · Software, Firmware, and Information Integrity
• CM-8 · System Component Inventory

External lookups

• NVD · CVE-2021-21311
• CVE.org · CVE-2021-21311
• CISA KEV catalog (canonical)