Advisory Published

ZDI-CAN-21965: ZDI-23-1582: Tenable Nessus Link Following Local Privilege Escalation Vulnerability

First published: Mon Nov 06 2023(Updated: )

This vulnerability allows local attackers to escalate privileges on affected installations of Tenable Nessus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 6.7. The following CVEs are assigned: CVE-2023-5847.

Affected SoftwareAffected VersionHow to fix
Tenable Nessus Amazon Machine Image

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Frequently Asked Questions

  • What is the severity of ZDI-CAN-21965?

    ZDI-CAN-21965 has been assigned a CVSS rating of 6, indicating a medium severity level.

  • How do I fix ZDI-CAN-21965?

    To mitigate ZDI-CAN-21965, users should update their Tenable Nessus software to the latest version provided by Tenable.

  • What type of vulnerability is ZDI-CAN-21965?

    ZDI-CAN-21965 is a privilege escalation vulnerability that allows local attackers to gain higher privileges on the affected system.

  • Who is affected by ZDI-CAN-21965?

    Organizations using Tenable Nessus installations are at risk if they have not applied the necessary security updates.

  • Is remote access required to exploit ZDI-CAN-21965?

    No, ZDI-CAN-21965 requires the attacker to have local access to execute low-privileged code on the target system.

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