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A newly patched security flaw impacting Broadcom VMware Tools and VMware Aria Operations has been exploited in the wild as a zero-day since mid-October 2024 by a threat actor called UNC5174, according to NVISO Labs . The vulnerability in question is CVE-2025-41244 (CVSS score: 7.8), a local privilege escalation bug affecting the following versions - VMware Cloud Foundation 4.x and 5.x VMware Cloud Foundation 9.x.x.x VMware Cloud Foundation 13.x.x.x (Windows, Linux) VMware vSphere Foundation 9.x.x.x VMware vSphere Foundation 13.x.x.x (Windows, Linux) VMware Aria Operations 8.x VMware Tools 11.x.x, 12.x.x, and 13.x.x (Windows, Linux) VMware Telco Cloud Platform 4.x and 5.x VMware Telco Cloud Infrastructure 2.x and 3.x "A malicious local actor with non-administrative privileges having access to a VM with VMware Tools installed and managed by Aria Operations with SDMP enabled may exploit this vulnerability to escalate privileges to root on the same VM," VMware sai...

VMware has rolled out patches to address a critical security vulnerability in vCenter Server that could be leveraged by an adversary to execute arbitrary code on the server. Tracked as CVE-2021-21985 (CVSS score 9.8), the issue stems from a lack of input validation in the Virtual SAN ( vSAN ) Health Check plug-in, which is enabled by default in the vCenter Server. "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," VMware  said  in its advisory. VMware vCenter Server is a server management utility that's used to control virtual machines, ESXi hosts, and other dependent components from a single centralized location. The flaw affects vCenter Server versions 6.5, 6.7, and 7.0 and Cloud Foundation versions 3.x and 4.x. VMware credited Ricter Z of 360 Noah Lab for reporting the vulnerability. The patch release also rectifies an authenticati...

VMware has released security updates to patch eight vulnerabilities spanning its products, some of which could be exploited to launch remote code execution attacks. Tracked from  CVE-2022-22954 to CVE-2022-22961  (CVSS scores: 5.3 - 9.8), the issues impact VMware Workspace ONE Access, VMware Identity Manager, VMware vRealize Automation, VMware Cloud Foundation, and vRealize Suite Lifecycle Manager. Five of the eight bugs are rated Critical, two are rated Important, and one is rated Moderate in severity. Credited with reporting all the vulnerabilities is Steven Seeley of Qihoo 360 Vulnerability Research Institute. The list of flaws is below - CVE-2022-22954  (CVSS score: 9.8) - Server-side template injection remote code execution vulnerability affecting VMware Workspace ONE Access and Identity Manager CVE-2022-22955 & CVE-2022-22956  (CVSS scores: 9.8) - OAuth2 ACS authentication bypass vulnerabilities in VMware Workspace ONE Access CVE-2022-22957 & C...

Malicious actors are actively mass scanning the internet for vulnerable VMware vCenter servers that are unpatched against a critical remote code execution flaw, which the company addressed late last month. The ongoing activity was detected by Bad Packets on June 3 and corroborated  yesterday  by security researcher Kevin Beaumont. "Mass scanning activity detected from 104.40.252.159 checking for VMware vSphere hosts vulnerable to remote code execution,"  tweeted  Troy Mursch, chief research officer at Bad Packets. The development follows the publication of a proof-of-concept (PoC) RCE exploit code targeting the VMware vCenter bug. Tracked as  CVE-2021-21985  (CVSS score 9.8), the issue is a consequence of a lack of input validation in the Virtual SAN (vSAN) Health Check plug-in, which could be abused by an attacker to execute commands with unrestricted privileges on the underlying operating system that hosts the vCenter Server. Although the flaw was...

Broadcom has released security updates to address three actively exploited security flaws in VMware ESXi, Workstation, and Fusion products that could lead to code execution and information disclosure. The list of vulnerabilities is as follows - CVE-2025-22224 (CVSS score: 9.3) - A Time-of-Check Time-of-Use (TOCTOU) vulnerability that leads to an out-of-bounds write, which a malicious actor with local administrative privileges on a virtual machine could exploit to execute code as the virtual machine's VMX process running on the host CVE-2025-22225 (CVSS score: 8.2) - An arbitrary write vulnerability that a malicious actor with privileges within the VMX process could exploit to result in a sandbox escape CVE-2025-22226 (CVSS score: 7.1) - An information disclosure vulnerability due to an out-of-bounds read in HGFS that a malicious actor with administrative privileges to a virtual machine could exploit to leak memory from the VMX process The shortcomings impact the below ...

Proof-of-concept (PoC) exploit code has been made available for a recently disclosed and patched critical flaw impacting VMware Aria Operations for Networks (formerly vRealize Network Insight). The flaw, tracked as  CVE-2023-34039 , is rated 9.8 out of a maximum of 10 for severity and has been described as a case of authentication bypass due to a lack of unique cryptographic key generation. "A malicious actor with network access to Aria Operations for Networks could bypass SSH authentication to gain access to the Aria Operations for Networks CLI," VMware said earlier this week. Summoning Team's Sina Kheirkhah, who published the PoC following an analysis of the patch released by VMware, said the root cause can be traced back to a bash script containing a method named refresh_ssh_keys(), which is responsible for overwriting the current SSH keys for the support and ubuntu users in the authorized_keys file. "There is SSH authentication in place; however, VMware forgot to regenerat...

Anonymous group member "Stun" announce the leak of VMware ESX Server Kernel source code via twitter today. The tweet reads,  " WILD LEAKY LEAK. FULL VMware ESX Server Kernel LEAKED LINK #Anonymous #AntiSec ". VMware ESX is an enterprise-level computer virtualization product offered by VMware. The reason behind this wild leak by anonymous is that, Vmware continue producing on same level again and again which is not a good practice for better Security. " Bullshitting people and selling crap. But it's time for Anonymous finally to deliver. Ofc VMware will try to make like this Kernel is old and isn't used in its recent products. But thanks god, there is still such as thing as reverse engineering that will prove it's true destiny. " Hacker said. A 1.89 MB uploaded on torrent and titled "VMware ESX Server Kernel LEAKED". I have download the archive and file inside archive as shown above. Dump seems to be produced by revers...

A new ransomware-as-service (RaaS) operation called MichaelKors has become the latest file-encrypting malware to target Linux and  VMware ESXi systems  as of April 2023. The development points to cybercriminal actors increasingly setting their eyes on the ESXi, cybersecurity firm CrowdStrike said in a report shared with The Hacker News. "This trend is especially noteworthy given the fact that ESXi, by design, does not support third-party agents or AV software," the company said. "In fact, VMware goes as far as to claim it's not required. This, combined with the popularity of ESXi as a widespread and popular virtualization and management system, makes the hypervisor a highly attractive target for modern adversaries." The  targeting of VMware ESXi hypervisors  with ransomware to scale such campaigns is a technique known as  hypervisor jackpotting . Over the years, the approach has been adopted by several ransomware groups, including Royal. What's more...

VMware has released temporary workarounds to address a critical vulnerability in its products that could be exploited by an attacker to take control of an affected system. "A malicious actor with network access to the administrative configurator on port 8443 and a valid password for the configurator admin account can execute commands with unrestricted privileges on the underlying operating system," the virtualization software and services firm noted in its  advisory . Tracked as CVE-2020-4006, the  command injection  vulnerability has a CVSS score of 9.1 out of 10 and impacts VMware Workspace One Access, Access Connector, Identity Manager, and Identity Manager Connector. While the company said patches for the flaw are "forthcoming," it didn't specify an exact date by when it's expected to be released. It's unclear if the vulnerability is under active attack. The complete list of products affected are as follows: VMware Workspace One Access (versi...

VMware has released security updates for multiple products to address a critical vulnerability that could be exploited to gain access to confidential information. Tracked as  CVE-2021-22002  (CVSS score: 8.6) and  CVE-2021-22003  (CVSS score: 3.7), the flaws affect VMware Workspace One Access (Access), VMware Identity Manager (vIDM), VMware vRealize Automation (vRA), VMware Cloud Foundation, and vRealize Suite Lifecycle Manager. CVE-2021-22002 concerns an issue with how VMware Workspace One Access and Identity Manager allow the "/cfg" web app and diagnostic endpoints to be accessed via port 443 by tampering with a host header, resulting in a server-side request. "A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication," the company  said  in its advisory. Suleyman Bayir of Trendyol has been credi...

A week after VMware released patches to remediate eight security vulnerabilities in VMware Workspace ONE Access, threat actors have begun to actively exploit one of the critical flaws in the wild. Tracked as  CVE-2022-22954 , the security shortcoming relates to a remote code execution vulnerability that stems from server-side template injection in VMware Workspace ONE Access and Identity Manager. The bug is rated 9.8 in severity. "A malicious actor with network access can trigger a server-side  template injection  that may result in remote code execution," the company  noted  in its advisory. The virtualization services provider has since revised its bulletin to warn customers of confirmed exploitation of CVE-2022-22954 occurring in the wild. Cybersecurity firm Bad Packets also  corroborated  that it detected attempts to weaponize the vulnerability. Source:  Bad Packets It's worth noting that the patches shipped last week address seven...

Cloud computing and virtualization technology firm VMWare on Thursday rolled out an update to resolve a critical security flaw in its Cloud Director product that could be weaponized to launch remote code execution attacks. The issue, assigned the identifier  CVE-2022-22966 , has a CVSS score of 9.1 out of a maximum of 10. VMware credited security researcher Jari Jääskelä with reporting the flaw. "An authenticated, high privileged malicious actor with network access to the VMware Cloud Director tenant or provider may be able to exploit a remote code execution vulnerability to gain access to the server," VMware  said  in an advisory. VMware Cloud Director, formerly known as vCloud Director, is used by many well-known cloud providers to operate and manage their cloud infrastructures and gain visibility into datacenters across sites and geographies. The vulnerability could, in other words, end up allowing attackers to gain access to sensitive data and take over private ...

VMware on Wednesday shipped  security updates  to address vulnerabilities in multiple products that could be potentially exploited by an attacker to take control of an affected system. The six security weaknesses (from CVE-2021-22022 through CVE-2021-22027, CVSS scores: 4.4 - 8.6) affect VMware vRealize Operations (prior to version 8.5.0), VMware Cloud Foundation (versions 3.x and 4.x), and vRealize Suite Lifecycle Manager (version 8.x), as listed below - CVE-2021-22022  (CVSS score: 4.4) - Arbitrary file read vulnerability in vRealize Operations Manager API, leading to information disclosure CVE-2021-22023  (CVSS score: 6.6) - Insecure direct object reference vulnerability in vRealize Operations Manager API, enabling an attacker with administrative access to alter other users' information and seize control of an account CVE-2021-22024  (CVSS score: 7.5) - Arbitrary log-file read vulnerability in vRealize Operations Manager API, resulting in sensitive info...

VMware has rolled out security updates to resolve a critical flaw affecting Carbon Black App Control that could be exploited to bypass authentication and take control of vulnerable systems. The vulnerability, identified as CVE-2021-21998, is rated 9.4 out of 10 in severity by the industry-standard Common Vulnerability Scoring System (CVSS) and affects App Control (AppC) versions 8.0.x, 8.1.x, 8.5.x, and 8.6.x. Carbon Black App Control  is a security solution designed to lock down critical systems and servers to prevent unauthorized changes in the face of cyber-attacks and ensure compliance with regulatory mandates such as PCI-DSS, HIPAA, GDPR, SOX, FISMA, and NERC. "A malicious actor with network access to the VMware Carbon Black App Control management server might be able to obtain administrative access to the product without the need to authenticate," the California-based cloud computing and virtualization technology company  said  in an advisory. CVE-2021-21998 i...

Threat actors have been found deploying never-before-seen post-compromise implants in VMware's virtualization software to seize control of infected systems and evade detection. Google's Mandiant threat intelligence division referred to it as a "novel malware ecosystem" that impacts VMware ESXi, Linux vCenter servers, and Windows virtual machines, allowing attackers to maintain persistent access to the  hypervisor  as well as execute arbitrary commands. The  hyperjacking attacks , per the cybersecurity vendor, involved the use of malicious vSphere Installation Bundles ( VIBs ) to sneak in two implants, dubbed VIRTUALPITA and VIRTUALPIE, on the ESXi hypervisors. "It is important to highlight that this is not an external remote code execution vulnerability; the attacker needs admin-level privileges to the ESXi hypervisor before they can deploy malware," Mandiant researchers Alexander Marvi, Jeremy Koppen, Tufail Ahmed, and Jonathan Lepore said in an exhaus...

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 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server," the company  said  in its advisory. The vulnerability, tracked as CVE-2021-21972, has a CVSS score of 9.8 out of a maximum of 10, making it critical in severity. "In our opinion, the RCE vulnerability in the vCenter Server can pose no less a threat than the infamous vulnerability in Citrix (CVE-2019-19781)," said Positive Technologies' Mikhail Klyuchnikov, who discovered and reported the flaw to VMware. "The error allows an unauthorized user to send a specially crafted request, which will later give them the opportunity ...

Cisco and VMware have released security updates to address critical security flaws in their products that could be exploited by malicious actors to execute arbitrary code on affected systems. The most severe of the vulnerabilities is a command injection flaw  in Cisco Industrial Network Director  (CVE-2023-20036, CVSS score: 9.9), which resides in the web UI component and arises as a result of improper input validation when  uploading a Device Pack . "A successful exploit could allow the attacker to execute arbitrary commands as NT AUTHORITY\SYSTEM on the underlying operating system of an affected device," Cisco  said  in an advisory released on April 19, 2023. The networking equipment major also resolved a medium-severity file permissions vulnerability in the same product (CVE-2023-20039, CVSS score: 5.5) that an authenticated, local attacker could abuse to view sensitive information. Patches have been made available in  version 1.11.3 , with Cisco c...

VMware on Tuesday announced that a single file from its ESX server hypervisor source code has been posted online, and it held out the possibility that more proprietary files could be leaked in the future.  " The fact that the source code may have been publicly shared does not necessarily mean that there is any increased risk to VMware customers ," VMware said in a statement. " Hardcore Charlie " - who claims to have downloaded some 300 Megabytes of VMWare source code. Anonymous tweeted: @AnonymousIRC: Oops, VMWare source leaked? Not good https://pastebin.com/JGxdK6vw to Anonymous contributors. May the Pirate Bay always sail strong! The leaked documents include what appear to be internal VMWare communications, pasted onto CEIEC letterhead and with official looking stamps. One email exchange, dated June 5, 2003 is from Jeffrey Sheldon to an internal VMWare listserv and has the subject "code review:untruncating segments. Given the large number of service pr...

While cloud adoption has been top of mind for many IT professionals for nearly a decade, it's only in recent months, with industry changes and announcements from key players, that many recognize the time to make the move is now. It may feel like a daunting task, but tools exist to help you move your virtual machines (VMs) to a public cloud provider – like Microsoft Azure – with relative ease. Transitioning from VMware vSphere to Microsoft Azure requires careful planning and execution to ensure a smooth migration process. In this guide, we'll walk through the steps involved in moving your virtualized infrastructure to the cloud giant, Microsoft Azure. Whether you're migrating your entire data center or specific workloads, these steps will help you navigate the transition effectively. 1. Assess Your Environment: Before diving into the migration process, assess your current VMware vSphere environment thoro...

Broadcom has released security updates to patch five security flaws impacting VMware Aria Operations and Aria Operations for Logs, warning customers that attackers could exploit them to gain elevated access or obtain sensitive information. The list of identified flaws, which impact versions 8.x of the software, is below - CVE-2025-22218 (CVSS score: 8.5) - A malicious actor with View Only Admin permissions may be able to read the credentials of a VMware product integrated with VMware Aria Operations for Logs CVE-2025-22219 (CVSS score: 6.8) - A malicious actor with non-administrative privileges may be able to inject a malicious script that may lead to arbitrary operations as admin user via a stored cross-site scripting (XSS) attack CVE-2025-22220 (CVSS score: 4.3) - A malicious actor with non-administrative privileges and network access to Aria Operations for Logs API may be able to perform certain operations in the context of an admin user CVE-2025-22221 (CVSS score: 5.2) ...