ET EXPLOIT Cisco ASA/Firepower Unauthenticated File Read (CVE-2020-3452) M1

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Cisco ASA/Firepower Unauthenticated File Read (CVE-2020-3452) M1";
    flow:established,to_server;
    http.uri;
    content:"/+CSCOT+/translation-table?type=mst&textdomain=/|2b|CSCOE|2b|/"; fast_pattern;
    content:"&default-language&lang="; distance:0;
    http.uri.raw;
    content:"&default-language&lang=../";
    reference:url,tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ro-path-KJuQhB86;
    reference:cve,2020-3452;
    classtype:attempted-user;
    sid:2030581; rev:3;
    metadata:affected_product Web_Server_Applications, attack_target Networking_Equipment, created_at 2020_07_23, cve CVE_2020_3452, deployment Perimeter, deployment Datacenter, deployment SSLDecrypt, confidence High, signature_severity Major, tag CISA_KEV, updated_at 2020_11_17;
)