Tag: vmware
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Cisco set to release home-brew hypervisor as a VMware alternative
Only for its own comms apps whose users can probably do without a full private cloud First seen on theregister.com Jump to article: www.theregister.com/2026/02/16/cisco_nfvis_for_uc_hypervisor/
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Rogue VM Linked to Muddled Libra in VMware vSphere Attack, Exposing Critical TTPs
The cybercrime group Muddled Libra (aka Scattered Spider, UNC3944). The contents of this rogue VM and activity from the attack provide valuable insight into the operational playbook of this threat actor. This single VM acted as the attackers’ beachhead, revealing a detailed, step-by-step view of how the group conducts reconnaissance, steals credentials, and moves laterally…
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CISA confirms exploitation of VMware ESXi flaw by ransomware attackers
CVE-2025-22225, a VMware ESXi arbitrary write vulnerability, is being used in ransomware campaigns, CISA confirmed on Wednesday by updating the vulnerability’s entry in … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/02/05/cisa-cve-2025-22225-ransomware-exploitation/
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LockBit 5.0 Unveils Cross-Platform Threats for Windows, Linux ESXi Systems
The inner workings of LockBit 5.0, a sophisticated ransomware variant targeting Windows, Linux, and VMware ESXi systems simultaneously. This latest version represents a significant evolution in the cyber threat landscape, demonstrating how ransomware operators are refining their tools to maximize damage across diverse enterprise environments. LockBit operates on a >>Ransomware-as-a-Service<< (RaaS) model, where a core…
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CISA Confirms VMware ESXi 0-Day Vulnerability Exploited in Ransomware Operations
Tags: cisa, cve, cyber, cybersecurity, exploit, flaw, infrastructure, kev, ransomware, vmware, vulnerability, zero-dayThe Cybersecurity and Infrastructure Security Agency (CISA) has officially added a critical vulnerability affecting VMware ESXi to its Known Exploited Vulnerabilities (KEV) catalog. Tracked as CVE-2025-22225, this zero-day flaw allows attackers to escape security sandboxes. It is currently being leveraged in active ransomware operations. Technical Analysis of CVE-2025-22225 The vulnerability is classified as an arbitrary write memory…
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CVE-2025-22225 in VMware ESXi now used in active ransomware attacks
Tags: attack, cve, cybersecurity, exploit, flaw, group, infrastructure, ransomware, vmware, vulnerabilityRansomware groups now exploit VMware ESXi vulnerability CVE-2025-22225, patched by Broadcom in March 2025. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) confirms that ransomware gangs are exploiting the VMware ESXi sandbox escape flaw CVE-2025-22225. The vulnerability is an arbitrary write issue in VMware ESXi. An attackers with privileges within the VMX process may trigger an arbitrary…
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VMware ESXi flaw now exploited in ransomware attacks
CISA confirmed on Wednesday that ransomware gangs have begun exploiting a high-severity VMware ESXi sandbox escape vulnerability that was previously used in zero-day attacks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-vmware-esxi-flaw-now-exploited-in-ransomware-attacks/
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Breach Roundup: Android RAT Hides Behind Hugging Face
Also, SmarterMail Flaw, Nike Breach Probe, Empire Market Co-Creator Pleads Guilty. This week, researchers exposed an Android RAT abusing Hugging Face. Attackers exploited a SmarterMail flaw. Automakers raised cyber spending. CISA flagged a VMware bug. Microsoft patched Office. An Empire Market co-creator pleaded guilty. Nike probed a breach. First seen on govinfosecurity.com Jump to article:…
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CISA Flags Actively Exploited VMware vCenter RCE Flaw in KEV Catalog
Tags: cisa, cybersecurity, exploit, flaw, infrastructure, kev, rce, remote-code-execution, vcenter, vmware, vulnerabilityThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a critical vulnerability affecting VMware vCenter Server to its Known Exploited Vulnerabilities (KEV) catalog, confirming that the flaw is being actively exploited in real-world attacks. First seen on thecyberexpress.com Jump to article: thecyberexpress.com/vmware-vcenter-cve-2024-37079-exploited/
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BSI warnt: Tausende deutsche VMware-Instanzen sind angreifbar
Einige Admins haben die Management-Schnittstellen ihrer VMware-Instanzen exponiert. Über 90 Prozent davon sind laut BSI nicht einmal gepatcht. First seen on golem.de Jump to article: www.golem.de/news/bsi-warnt-tausende-deutsche-vmware-instanzen-sind-angreifbar-2601-204615.html
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CISA says critical VMware RCE flaw now actively exploited
CISA has flagged a critical VMware vCenter Server vulnerability as actively exploited and ordered U.S. federal agencies to secure their servers within three weeks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-says-critical-vmware-rce-flaw-now-actively-exploited/
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U.S. CISA adds a flaw in Broadcom VMware vCenter Server to its Known Exploited Vulnerabilities catalog
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw impacting Broadcom VMware vCenter to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Broadcom VMware vCenter Server vulnerability, tracked as CVE-2024-37079 (CVSS score of 9.8), to its Known Exploited Vulnerabilities (KEV) catalog. vCenter Server is a centralized management platform developed…
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CISA Adds Actively Exploited VMware vCenter Flaw CVE-2024-37079 to KEV Catalog
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw affecting Broadcom VMware vCenter Server that was patched in June 2024 to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the wild.The vulnerability in question is CVE-2024-37079 (CVSS score: 9.8), which refers to a heap overflow…
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Patch or die: VMware vCenter Server bug fixed in 2024 under attack today
If you skipped it back then, now’s a very good time First seen on theregister.com Jump to article: www.theregister.com/2026/01/23/critical_vmware_vcenter_server_bug/
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Rethinking Microsegmentation During a VMware Exit
Tags: vmwareIntroduction Broadcom’s acquisition of VMware and the subsequent shift to subscription-based licensing and bundled offerings have forced many organizations to re-evaluate their long-term reliance on the VMware ecosystem. While some large enterprises have managed to negotiate acceptable commercial terms, many customers, particularly small and mid-sized organizations, are experiencing increased costs, reduced flexibility, and less predictable roadmaps. As……
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Lenovo has a hunch you’re about to try quitting VMware
Tweaks its hardware to run multiple private cloud stacks, and shift between them First seen on theregister.com Jump to article: www.theregister.com/2026/01/13/lenovo_fx_multi_hypervisor_hci/
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MAESTRO Toolkit Exploiting VMware VM Escape Vulnerabilities
Cybersecurity researchers from Huntress detail a major VM Escape attack where hackers took over host servers. Using a secret toolkit called MAESTRO, the attackers stayed hidden for over a year. Read the exclusive details on how this breach was stopped and how to protect your network. First seen on hackread.com Jump to article: hackread.com/maestro-toolkit-vmware-vm-escape-vulnerabilities/
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China-Linked Hackers Exploit VMware ESXi Zero-Days to Escape Virtual Machines
Chinese-speaking threat actors are suspected to have leveraged a compromised SonicWall VPN appliance as an initial access vector to deploy a VMware ESXi exploit that may have been developed as far back as February 2024.Cybersecurity firm Huntress, which observed the activity in December 2025 and stopped it before it could progress to the final stage,…
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China-linked cybercrims abused VMware ESXi zero-days a year before disclosure
Huntress analysis suggests VM escape bugs were already weaponized in the wild First seen on theregister.com Jump to article: www.theregister.com/2026/01/09/china_esxi_zerodays/
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Chinese-speaking hackers exploited ESXi zero-days long before disclosure
Chinese-speaking attackers used a hacked SonicWall VPN to deploy ESXi zero-days that were likely exploited over a year before public disclosure. Chinese-speaking attackers were seen abusing a hacked SonicWall VPN to deliver a toolkit targeting VMware ESXi. The exploit chain included a sophisticated VM escape and appears to have been developed more than a year…
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VMware ESXi zero-days likely exploited a year before disclosure
Chinese-speaking threat actors used a compromised SonicWall VPN appliance to deliver a VMware ESXi exploit toolkit that seems to have been developed more than a year before the targeted vulnerabilities became publicly known. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/vmware-esxi-zero-days-likely-exploited-a-year-before-disclosure/
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Cybercriminals Exploit VMware ESXi Vulnerabilities Using Zero-Day Toolset
Huntress security researchers have uncovered a sophisticated VMware ESXi exploitation campaign using a zero-day toolkit that remained undetected for over a year before VMware’s public disclosure. The December 2025 intrusion, which began through a compromised SonicWall VPN, demonstrates how threat actors are chaining multiple critical vulnerabilities to achieve complete hypervisor compromise. Attack Chain Begins With…
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Cybercriminals Exploit VMware ESXi Vulnerabilities Using Zero-Day Toolset
Huntress security researchers have uncovered a sophisticated VMware ESXi exploitation campaign using a zero-day toolkit that remained undetected for over a year before VMware’s public disclosure. The December 2025 intrusion, which began through a compromised SonicWall VPN, demonstrates how threat actors are chaining multiple critical vulnerabilities to achieve complete hypervisor compromise. Attack Chain Begins With…
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Neue Ransomware-Bedrohung zielt auf deutsche Unternehmen
Tags: backup, ciso, cloud, cyberattack, encryption, extortion, firewall, germany, infrastructure, intelligence, network, ransomware, threat, tool, vmware, vulnerabilityDer Ransomware-Dienst Ransomhouse nutzt jetzt eine komplexe Dual-Schlüssel-Verschlüsselung und automatisierte Angriffe auf VMware ESXi.Sicherheitsexperten haben kürzlich festgestellt, dass die Ransomware-Gruppe Jolly Scorpius ihren RaaS-(Ransomware as a Service)-Dienst Ransomhouse massiv verbessert hat. Wie das Threat-Intelligence-Team von Palo Alto Networks berichtet, nutzt die Gruppe jetzt ein fortschrittliches duales Verschlüsselungssystem.Die Angriffe basieren auf einer aktualisierten Version des Verschlüsselungs-Trojaner…
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Critical vulnerability in IBM API Connect could allow authentication bypass
Tags: api, authentication, control, exploit, flaw, governance, ibm, mitigation, monitoring, radius, resilience, service, software, update, vmware, vulnerabilityInterim fixes provided: IBM said that the issue was discovered during internal testing, and it has provided interim fixes for each affected version of the software, with individual update details for VMware, OCP/CP4I, and Kubernetes.The only mitigation suggested for the flaw, according to IBM’s security bulletin, is this: “Customers unable to install the interim fix…
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Security Advisory Regarding BRICKSTORM
Tags: advisory, backdoor, crowdstrike, cyber, cybersecurity, infrastructure, malware, mandiant, threat, vmware, windowsExecutive Summary On December 5th, 2025 the US’s Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency, and Canada’s Cyber Security Centre released a joint malware report on BRICKSTORM, a backdoor targeting VMware vSphere and Windows environments. The suspected threat actor(s), tracked as UNC5221 by Mandiant and WARP PANDA by CrowdStrike, are identified as […]…
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Security Advisory Regarding BRICKSTORM
Tags: advisory, backdoor, crowdstrike, cyber, cybersecurity, infrastructure, malware, mandiant, threat, vmware, windowsExecutive Summary On December 5th, 2025 the US’s Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency, and Canada’s Cyber Security Centre released a joint malware report on BRICKSTORM, a backdoor targeting VMware vSphere and Windows environments. The suspected threat actor(s), tracked as UNC5221 by Mandiant and WARP PANDA by CrowdStrike, are identified as […]…
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Security Advisory Regarding BRICKSTORM
Tags: advisory, backdoor, crowdstrike, cyber, cybersecurity, infrastructure, malware, mandiant, threat, vmware, windowsExecutive Summary On December 5th, 2025 the US’s Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency, and Canada’s Cyber Security Centre released a joint malware report on BRICKSTORM, a backdoor targeting VMware vSphere and Windows environments. The suspected threat actor(s), tracked as UNC5221 by Mandiant and WARP PANDA by CrowdStrike, are identified as […]…
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China’s WARP PANDA APT Deploys BRICKSTORM Backdoor to Hijack VMware vCenter/ESXi and Azure Cloud
The post China’s WARP PANDA APT Deploys BRICKSTORM Backdoor to Hijack VMware vCenter/ESXi and Azure Cloud appeared first on Daily CyberSecurity. First seen on securityonline.info Jump to article: securityonline.info/chinas-warp-panda-apt-deploys-brickstorm-backdoor-to-hijack-vmware-vcenter-esxi-and-azure-cloud/