CVE-2021-44020: Trend Micro Worry-Free Business Security Unnecessary Privileges Local Privilege Escalation Vulnerability
An unnecessary privilege vulnerability in Trend Micro Worry-Free Business Security 10.0 SP1 could allow a local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This vulnerability is similar to but not identical to CVE-2021-44019 and 44021.
Other sources
This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Worry-Free Business Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Security Server. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-44020?
CVE-2021-44020 is a vulnerability that allows local attackers to escalate privileges on affected installations of Trend Micro Worry-Free Business Security.
How does CVE-2021-44020 work?
To exploit CVE-2021-44020, an attacker must first obtain the ability to execute low-privileged code on the target system.
What is the severity of CVE-2021-44020?
CVE-2021-44020 has a severity rating of 7.8, which is considered high.
Which software is affected by CVE-2021-44020?
CVE-2021-44020 affects installations of Trend Micro Worry-Free Business Security version 10.0 SP1.
How can I fix CVE-2021-44020?
To fix CVE-2021-44020, it is recommended to apply the latest security updates provided by Trend Micro.