Add references, and put a description

cves/2020/CVE-2020-16952.yaml

@@ -4,15 +4,16 @@ info:
   name: Microsoft SharePoint Server-Side Include (SSI) and ViewState RCE
   author: dwisiswant0
   severity: critical
-  reference: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952
+  description: A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package, aka 'Microsoft SharePoint Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-16951.
+  reference: 
+    - https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952
+    - https://srcincite.io/pocs/cve-2020-16952.py.txt
+    - https://github.com/rapid7/metasploit-framework/blob/1a341ae93191ac5f6d8a9603aebb6b3a1f65f107/documentation/modules/exploit/windows/http/sharepoint_ssi_viewstate.md
   tags: cve,cve2020,sharepoint,iis
 
-  # This template supports the detection part only. See references[2].
+  # This template supports the detection part only. See reference.
-  # References:
+  # Reference:
-  # - [1] Patch: https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-16952
+  # - https://srcincite.io/pocs/cve-2020-16952.py.txt
-  # - [2] https://srcincite.io/pocs/cve-2020-16952.py.txt
-  # - [3] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952
-  # - [4] https://github.com/rapid7/metasploit-framework/blob/1a341ae93191ac5f6d8a9603aebb6b3a1f65f107/documentation/modules/exploit/windows/http/sharepoint_ssi_viewstate.md
 
 requests:
   - method: GET