{"schema":"threatline.record/2","record":{"id":"CVE-2020-17519","aliases":[],"summary":"Apache Flink Improper Access Control Vulnerability","details":"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.","categories":["Unclassified"],"product":"Flink","vendor":"Apache","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2020-17519","source_modified_at":"2025-10-21T23:35:30.697Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Apache Flink","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"Apache Flink 1.11.0 to 1.11.2"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.1,"severity":"Critical","kev":{"listed":true,"date_added":"2024-05-23","due_date":"2024-06-13","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations 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