Avast Internet Security v11.x.x, Pro Antivirus v11.x.x, Premier v11.x.x, Free Antivirus v11.x.x, Business Security v11.x.x, Endpoint Protection v8.x.x, Endpoint Protection Plus v8.x.x, Endpoint Protection Suite v8.x.x, Endpoint Protection Suite Plus v8.x.x, File Server Security v8.x.x, and Email Server Security v8.x.x allow attackers to bypass the DeepScreen feature via a DeviceIoControl call.

Multiple cross-site scripting (XSS) vulnerabilities in IceWarp eMail Server and WebMail Server before 9.4.2 allow remote attackers to inject arbitrary web script or HTML via (1) the body of a message, related to the email view and incorrect HTML filtering in the cleanHTML function in server/inc/tools.php; or the (2) title, (3) link, or (4) description element in an RSS feed, related to the getHTML function in server/inc/rss/item.php.

CRLF injection vulnerability in the Forgot Password implementation in server/webmail.php in IceWarp eMail Server and WebMail Server before 9.4.2 makes it easier for remote attackers to trick a user into disclosing credentials via CRLF sequences preceding a Reply-To header in the subject element of an XML document, as demonstrated by triggering an e-mail message from the server that contains a user's correct credentials, and requests that the user compose a reply that includes this message.

Multiple SQL injection vulnerabilities in the search form in server/webmail.php in the Groupware component in IceWarp eMail Server and WebMail Server before 9.4.2 allow remote authenticated users to execute arbitrary SQL commands via the (1) sql and (2) order_by elements in an XML search query.