Home / Vulnerabilities / CVE-2021-21311
HIGH SEVERITY
CVE-2021-21311 Adminer · Adminer

Adminer Server-Side Request Forgery Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH
7.2 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Exploitation Likelihood

EPSS Prediction

93.87 %
Predictive Probability
Percentile Rank
99.9 th

Documented as more likely to be exploited than 99.9% of known CVEs.

Detection Date

Sep 29, 2025

Remediation Due

Oct 20, 2025

CISA Catalog Active

Threat Analysis

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

Remediation Directive

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

External Intelligence