VMware vCenter Server CVE-2021-21972 Remote Code Execution Vulnerability: What You Need to Know

This blog post was co-authored by Bob Rudis and Caitlin Condon. What’s up? On Feb. 23, 2021, VMware published an advisory VMSA-2021-0002 describing three weaknesses affecting VMware ESXi, VMware vCenter Server, and VMware Cloud Foundation. Before digging into the individual vulnerabilities, it is...

CVE-2021-21972

The vSphere Client HTML5 contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects...

CVE-2021-21973

The vSphere Client HTML5 contains an SSRF Server Side Request Forgery vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information...

CVE-2021-21972

The vSphere Client HTML5 contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects...

CVE-2021-21973

The vSphere Client HTML5 contains an SSRF Server Side Request Forgery vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information...

Remote code execution

The vSphere Client HTML5 contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects...

Server side request forgery (ssrf)

The vSphere Client HTML5 contains an SSRF Server Side Request Forgery vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information...

VMWare Patches Critical RCE Flaw in vCenter Server

Click to Register VMware has patched three vulnerabilities in its virtual-machine infrastructure for data centers, the most serious of which is a remote code execution RCE flaw in its vCenter Server management platform. The vulnerability could allow attackers to breach the external perimeter of a...

CVE-2021-21972

The vSphere Client HTML5 contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects...

CVE-2021-21972

The vSphere Client HTML5 contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects...

CVE-2021-21973

The vSphere Client HTML5 contains an SSRF Server Side Request Forgery vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information...

CVE-2021-21973

The vSphere Client HTML5 contains an SSRF Server Side Request Forgery vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information...

Critical RCE Flaws Affect VMware ESXi and vSphere Client — Patch Now

VMware has addressed multiple critical remote code execution RCE vulnerabilities in VMware ESXi and vSphere Client virtual infrastructure management platform that may allow attackers to execute arbitrary commands and take control of affected systems. "A malicious actor with network access to port...

CVE-2021-21973

The vSphere Client HTML5 contains an SSRF Server Side Request Forgery vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information...

VMware vSphere Client Server-Side Request Forgery Vulnerability

VMware Cloud Foundation is a hybrid cloud platform developed by VMware based on the HCI architecture that enables consistent, secure infrastructure and operations between private and public clouds. VMware vSphere Client server-side request forgery vulnerability can be exploited by an attacker wit...

CVE-2021-21973: Server-Side Request Forgery (SSRF)

The vSphere Client HTML5 contains an SSRF Server Side Request Forgery vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information...

VMware vSphere Client Unauth Remote Code Execution Vulnerability — CVE-2021-21972

The vSphere Client HTML5 contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects...

VMware vCenter Server code-related vulnerabilities

VMware Cloud Foundation is a hybrid cloud platform developed by VMware based on the HCI architecture that enables consistent, secure infrastructure and operations between private and public clouds. VMware vSphere Client server-side request forgery vulnerability can be exploited by an attacker wit...

CVE-2021-21972: Improper Limitation of a Pathname to a Restricted Directory

The vSphere Client HTML5 contains a remote code execution vulnerability in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server. This affects...

PT-2021-2130

Name of the Vulnerable Software and Affected Versions VMware vCenter Server versions 7.x before 7.0 U1c VMware vCenter Server versions 6.7 before 6.7 U3l VMware vCenter Server versions 6.5 before 6.5 U3n VMware Cloud Foundation versions 4.x before 4.2 VMware Cloud Foundation versions 3.x before...