The ABB IDAL HTTP server mishandles format strings in a username or cookie during the authentication process. Attempting to authenticate with the username %25s%25p%25x%25n will crash the server. Sending %08x.AAAA.%08x.%08x will log memory content from the stack.
packetstormsecurity.com/files/153404/ABB-IDAL-HTTP-Server-Uncontrolled-Format-String.html
seclists.org/fulldisclosure/2019/Jun/43
www.securityfocus.com/bid/108886
search.abb.com/library/Download.aspx?DocumentID=3ADR010377&LanguageCode=en&DocumentPartId=&Action=Launch
www.darkmatter.ae/xen1thlabs/abb-idal-http-server-uncontrolled-format-string-vulnerability-xl-19-012/