Nessus Agent
Last updated
Nessus Agents give you visibility into additional IT assets - even endpoints, and other remote assets that intermittently connect to the internet.
Install with winget
$ winget install --id Tenable.NessusAgent --exact --version 11.2.2.20009Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.
Silent install command for Nessus Agent
Nessus Agent uses MSI (WiX). The silent install switches are /quiet /norestart.
msiexec.exe /i NessusAgent-11.2.2-x64.msi /quiet /norestart
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Installers · v11.2.2.20009
| Architecture | Type | Scope | Install | Download |
|---|---|---|---|---|
| x64 | MSI WiX | machine | Direct |
Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.
Security
10 known CVEs via NVD
A vulnerability has been identified where weak file permissions in the Nessus Agent directory on Windows hosts could allow unauthorized access, potentially permitting Denial of Service (DoS) attacks.
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could execute code with SYSTEM privilege.
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could arbitrarily delete local system files with SYSTEM privilege, potentially leading to local privilege escalation.
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could overwrite arbitrary local system files with log content at SYSTEM privilege.
Under certain conditions, a low privileged attacker could load a specially crafted file during installation or upgrade to escalate privileges on Windows and Linux hosts.
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20117.
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20118.
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parame...
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