CVE-2021-20100 : What You Need to Know
Discover the impact of CVE-2021-20100, local privilege escalation vulnerabilities in Nessus Agent 8.2.4 and earlier for Windows. Learn about affected systems, exploitation, and mitigation.
Nessus Agent 8.2.4 and earlier for Windows have been identified to have multiple local privilege escalation vulnerabilities. These vulnerabilities could potentially enable an authenticated, local administrator to execute specific Windows executables as the Nessus host. This is distinct from CVE-2021-20099.
Understanding CVE-2021-20100
This CVE refers to local privilege escalation vulnerabilities found in Nessus Agent 8.2.4 and earlier versions for Windows.
What is CVE-2021-20100?
CVE-2021-20100 involves local privilege escalation vulnerabilities in Nessus Agent versions 8.2.4 and earlier for Windows. These vulnerabilities could be exploited by a local administrator to run certain Windows executables as the Nessus host.
The Impact of CVE-2021-20100
The impact of this vulnerability is significant as it allows an authenticated local administrator to elevate privileges and execute specific Windows executables on the affected system.
Technical Details of CVE-2021-20100
This section delves into the specifics of the vulnerability.
Vulnerability Description
Nessus Agent 8.2.4 and earlier versions for Windows contain local privilege escalation vulnerabilities, posing a security risk to affected systems.
Affected Systems and Versions
The affected systems include those running Nessus Agent versions 8.2.4 and earlier on Windows operating systems.
Exploitation Mechanism
By exploiting these vulnerabilities, an authenticated local administrator can potentially run particular Windows executables as the Nessus host, thereby escalating privileges.
Mitigation and Prevention
Here, we discuss how to address the CVE-2021-20100 vulnerability.
Immediate Steps to Take
It is crucial to take immediate actions to mitigate the risk posed by this vulnerability.
Long-Term Security Practices
Implementing long-term security measures can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly applying patches and updates for Nessus Agent is essential to protect systems from known vulnerabilities.