Vulnerable Dell Driver DBUtil Puts Millions Of Users At Risk

A driver that's been installed on Dell devices during the BIOS update process for the last 12 years contains five vulnerabilities, that could lead to elevating system privileges.

A collection of five flaws is tracked as CVE-2021-21551 and according to the security researchers it can be exploited “to escalate privileges from a non-administrator user to kernel mode privileges.”

This type of vulnerability is not considered critical because an attacker exploiting it needs to have compromised the computer beforehand. However, it allows threat actors and malware to gain persistence on the infected system.


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