{"cve":"CVE-2020-17519","nvd":{"published":"2021-01-05T12:15:12.680","modified":"2026-06-17T02:59:04.010","status":"Analyzed","description":"A change introduced in Apache Flink 1.11.0 (and released in 1.11.1 and 1.11.2 as well) allows attackers to read any file on the local filesystem of the JobManager through the REST interface of the JobManager process. Access is restricted to files accessible by the JobManager process. All users should upgrade to Flink 1.11.3 or 1.12.0 if their Flink instance(s) are exposed. The issue was fixed in commit b561010b0ee741543c3953306037f00d7a9f0801 from apache/flink:master.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-552"],"references":["http://packetstormsecurity.com/files/160849/Apache-Flink-1.11.0-Arbitrary-File-Read-Directory-Traversal.html","http://www.openwall.com/lists/oss-security/2021/01/05/2","https://lists.apache.org/thread.html/r0a433be10676f4fe97ca423d08f914e0ead341c901216f292d2bbe83%40%3Cissues.flink.apache.org%3E","https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E","https://lists.apache.org/thread.html/r229167538863518738e02f4c1c5a8bb34c1d45dadcc97adf6676b0c1%40%3Cdev.flink.apache.org%3E"],"products":["apache:flink"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-17519","score":0.98001,"percentile":0.99909,"date":"2026-10-31"},"kev":{"cve":"CVE-2020-17519","date_added":"2024-05-23","due_date":"2024-06-13","vendor":"Apache","product":"Flink","known_ransomware":false},"osv":[{"id":"GHSA-395w-qhqr-9fr6","url":"https://osv.dev/vulnerability/GHSA-395w-qhqr-9fr6","summary":"Path Traversal in Apache Flink","modified":"2025-10-22T19:32:40.489579Z","packages":[{"ecosystem":"Maven","name":"org.apache.flink:flink-runtime_2.11","purl":"pkg:maven/org.apache.flink/flink-runtime_2.11","ranges":[">=1.11.0 <1.11.3"],"fixed":["1.11.3"]},{"ecosystem":"Maven","name":"org.apache.flink:flink-runtime_2.12","purl":"pkg:maven/org.apache.flink/flink-runtime_2.12","ranges":[">=1.11.0 <1.11.3"],"fixed":["1.11.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}