CVE-2021-26919 | Apache Druid Authenticated users can execute arbitrary code from malicious MySQL database systems.
Apache Druid allows users to read data from other database systems using JDBC. This functionality is to allow trusted users with the proper permissions to set up lookups or submit ingestion tasks. The MySQL JDBC driver supports certain properties, which, if left unmitigated, can allow an attacker to execute arbitrary code from a hacker-controlled malicious MySQL server within Druid server processes. This issue was addressed in Apache Druid 0.20.2
Conclusion & alert: CVE-2021-26919 is rated Moderate Risk (64.3/100): CVSS High severity, with high exploitation likelihood (EPSS 22.59%, 97th percentile).Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term.Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2021-26919
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).