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Tenable blog

April 22, 2025

ConfusedComposer: A Privilege Escalation Vulnerability Impacting GCP Composer

Tenable Research discovered a privilege-escalation vulnerability in Google Cloud Platform (GCP) that is now fixed and which we dubbed ConfusedComposer. The vulnerability could have allowed an identity with permission (composer.environments.update) to edit a Cloud Composer environment to escalate privileges to the default Cloud Build service account. The default Cloud Build service account includes permissions to Cloud Build itself, as well as to Cloud Storage, Artifact Registry, and more.

February 21, 2020

CVE-2020-1938: Ghostcat - Apache Tomcat AJP File Read/Inclusion Vulnerability (CNVD-2020-10487)

Several proof-of-concept exploit scripts for recently patched flaw in Apache Tomcat are now available.BackgroundOn February 20, China National Vulnerability Database (CNVD) published a security advisory for CNVD-2020-10487, a severe vulnerability in Apache Tomcat’s Apache JServ Protocol (or AJP). AJ...


January 27, 2020

Am I Smart or Just Lucky? Understanding Your Process Integrity Risk with Tenable Lumin

Business system risk and process integrity risk are two essential metrics for a mature risk-based vulnerability management practice. With new assessment maturity scoring, Tenable Lumin now gives you insights into both. Risk-based vulnerability management requires metrics addressing two types of r...


October 24, 2019

Cash App Scams: Giveaway Offers Ensnare Instagram Users, While YouTube Videos Promise Easy Money

Cash App scammers are targeting users on Instagram and YouTube. Here’s what you need to know about their tactics — and how to avoid being conned.In part one of our two-part series on Cash App scammers, I explored how promotional tactics used by the popular person-to-person (P2P) payment service...


October 14, 2019

How to Choose the Right Vulnerability Management Solution

As vulnerability management evolves, organizations are seeing increased need for prioritization, benchmarking and flexible reporting. Here are five things to keep in mind when choosing a vulnerability management solution.Vulnerability management is once again rising to the top of the security agenda...


October 1, 2019

Tenable Lumin: Translating Vulnerability Management Into the Language of Business

With Tenable Lumin, we’re giving customers a bridge between the language of vulnerability management and the language of business.  In our work here at Tenable, we often hear from our CISO customers about the dual challenges they face: How to help business executives and the board unde...


August 22, 2019

How To: Run Your First Vulnerability Scan with Nessus

Get your Nessus vulnerability assessment tool up and running with these five easy steps.With Nessus, you can gain full visibility into your network by conducting a vulnerability assessment. Read on as we guide you through the five steps to run your first Nessus scan. (If you have not yet installed N...


July 18, 2019

Vulnerability Management Fundamentals: What You Need to Know

In part one of our five-part series on vulnerability management fundamentals, we explore the four stages of the Cyber Exposure lifecycle. ...


July 3, 2019

Security Teams: What You Need to Know About Vulnerability Response

Tenable’s Predictive Prioritization leverages data science and machine learning to make it easier for cybersecurity teams to find, patch and remediate vulnerabilities.   Week after week, critical vulnerabilities in enterprise software are found and published, sending security teams off ...


May 15, 2019

Nessus Home Is Now Nessus Essentials

We’ve given Nessus Home a refresh, and we’re excited to share with you the new and updated free vulnerability assessment solution, Nessus Essentials. As part of the Nessus family, Nessus Essentials is a free vulnerability assessment solution for up to 16 IPs that provides an entry point into th...


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