CVE-2020-17519VulnerabilityPublished 05/23/2024Updated 10/24/2026
CVE-2020-17519: Apache Flink Improper Access Control Vulnerability
Affects Apache FlinkSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 05/23/2024
- KEV deadline
- 06/13/2024
- EPSS
- 97.8% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
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.