As reported by Sentinel Labs, they discovered five high severity flaws in Dell’s firmware update driver (dbutil_2_3.sys) impacting Dell desktops, laptops, notebooks and tablets. They stated that “These critical vulnerabilities, which have been present in Dell devices since 2009, affect millions of devices and millions of users worldwide. As with a previous bug that lay in hiding for 12 years, it is difficult to overstate the impact this could have on users and enterprises that fail to patch.”
They had earlier reported the vulnerability to Dell in December 2020.The vulnerability could allow attacker admin-level access and plant malware.
As per Dell they have not seen this vulnerability been exploited till date.
The patch has now been released and It is strongly advised to apply the security patch now.