ACTIVELY EXPLOITED
CVE-2020-17519: Apache Flink Improper Access Control Vulnerability
| Vendor | Apache |
|---|---|
| Product | Flink |
| Actively exploited | Yes |
| Added to CISA KEV | 23 May 2024 |
| CISA federal deadline | 13 Jun 2024 |
| Weakness (CWE) | CWE-552 |
Required action (CISA's text)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description (NVD)
Apache Flink contains an improper access control vulnerability that allows an attacker to read any file on the local filesystem of the JobManager through its REST interface.
SOURCES
Other Apache flaws
- CVE-2016-3081: Apache Struts Command Injection Vulnerability
- CVE-2026-34486: Apache Tomcat Missing Encryption of Sensitive Data Vulnerability
- CVE-2026-34197: Apache ActiveMQ Improper Input Validation Vulnerability
- CVE-2024-38475: Apache HTTP Server Improper Escaping of Output Vulnerability
- CVE-2025-24813: Apache Tomcat Path Equivalence Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.