Update CVE-2021-21805.yaml

cves/2021/CVE-2021-21805.yaml

@@ -3,7 +3,7 @@ id: CVE-2021-21805
 info:
   name: Advantech R-SeeNet v 2.4.12 - OS Command Injection
   author: arafatansari
-  severity: medium
+  severity: critical
   description: |
     Advantech R-SeeNet v 2.4.12 is vulnerable to OS Command Injection in the ping.php script functionality.
   reference:
@@ -11,9 +11,9 @@ info:
     - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21805
     - https://nvd.nist.gov/vuln/detail/CVE-2021-21805
   metadata:
-    verified: "true"
+    verified: true
     shodan-query: http.html:"R-SeeNet"
-  tags: cve,cve2021,rce
+  tags: cve,cve2021,rce,r-seenet
 
 requests:
   - method: GET
@@ -23,14 +23,16 @@ requests:
     matchers-condition: and
     matchers:
       - type: word
+        part: body
         words:
           - "<title>Ping |dir</title>"
-        part: body
+          - "bottom.php"
+        condition: and
 
       - type: word
+        part: header
         words:
           - "text/html"
-        part: header
 
       - type: status
         status: