CVE-2021-22040

VMware ESXi, Workstation, and Fusion contain a use-after-free vulnerability in the XHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host...

CVE-2021-22041

VMware ESXi, Workstation, and Fusion contain a double-fetch vulnerability in the UHCI USB controller. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host...

CVE-2021-22042

VMware ESXi contains an unauthorized access vulnerability due to VMX having access to settingsd authorization tickets. A malicious actor with privileges within the VMX process only, may be able to access settingsd service running as a high privileged user...

CVE-2021-22043

VMware ESXi contains a TOCTOU Time-of-check Time-of-use vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files...

Code injection

VMware ESXi contains a TOCTOU Time-of-check Time-of-use vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files...

CVE-2021-22042

VMware ESXi contains an unauthorized access vulnerability due to VMX having access to settingsd authorization tickets. A malicious actor with privileges within the VMX process only, may be able to access settingsd service running as a high privileged user...

VMware ESXi 竞争条件问题漏洞

Vmware VMware ESXi is a server virtualization platform from Vmware that can be installed directly on physical servers. A Competing Conditions Issue vulnerability exists in VMware ESXi, which stems from a double fetch vulnerability in the product's UHCI USB controller. A remote user with...

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag!

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag! By Trellix · February 8, 2022 Research Contributions and Analysis: Filippo Sitzia This story was written by Arnab Roy Threat Summary Blackcat also known as ALPHV/Noberus is a Ransomware as a Service...

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag!

Trellix Global Defenders: BlackCat Ransomware as a Service - The Cat is certainly out of the bag! By Trellix · February 8, 2022 Research Contributions and Analysis: Filippo Sitzia This story was written by Arnab Roy Threat Summary Blackcat also known as ALPHV/Noberus is a Ransomware as a Service...

Vulnerability fixed in VMware Workstation, Fusion & ESXi

A vulnerability has been fixed in VMware Workstation, Fusion & ESXi. The vulnerability enables a malicious person with access to a virtual machine on which CD-ROM virtualization is enabled to able to execute arbitrary code on the hypervisor. To exploit this vulnerability, a CD image must be...

Analysis and Impact of LockBit Ransomware’s First Linux and VMware ESXi Variant

LockBit ransomware's operators announced the release of its first Linux and ESXi variant in October. With samples also spotted in the wild, we discuss the impact and analysis of this variant...

NTP time sync issue on VPX running on VMware platform

For Citrix ADC VPX instances deployed on VMware ESXi hypervisor, the Citrix ADC system time might go out of sync and consequently network time protocol NTP synchronization is lost. This problem occurs due to an issue with VMware ACPI timer emulation. tail -f ntpd.log 6 Dec 01:06:23 ntpd42663:...

VMware ESXi缓冲区错误漏洞

Vmware VMware ESXi is a server virtualization platform from Vmware that can be installed directly on physical servers. A buffer overflow vulnerability exists in several Vmware products, which stems from a failure of the product's CD-ROM device emulation feature to properly determine memory...

VMware ESXi Remote Code Execution (CVE-2020-3992)

A remote code execution vulnerability exists in VMware ESXi. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system...

BlackMatter Ransomware Reportedly Shutting Down; Latest Analysis Released

An analysis of new samples of BlackMatter ransomware for Windows and Linux has revealed the extent to which the operators have continually added new features and encryption capabilities in successive iterations over a three-month period. No fewer than 10 Windows and two Linux versions of the...

VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Vulnerability

VMware ESXi and Horizon Desktop as a Service DaaS OpenSLP contains a heap-based buffer overflow vulnerability that allows an attacker with network access to port 427 to overwrite the heap of the OpenSLP service to perform remote code execution...

VMware ESXi OpenSLP Use-After-Free Vulnerability

VMware ESXi OpenSLP contains a use-after-free vulnerability that allows an attacker residing in the management network with access to port 427 to perform remote code execution...

VMware ESXi Servers Encrypted by Lightning-Fast Python Script

Researchers have discovered a new Python ransomware from an unnamed gang that’s striking ESXi servers and virtual machines VMs with what they called “sniper-like” speed. Sophos said on Tuesday that the ransomware is being used to compromise and encrypt VMs hosted on an ESXi hypervisor in operatio...

CVE-2020-3960

VMware ESXi 6.7 before ESXi670-202006401-SG and 6.5 before ESXi650-202005401-SG, Workstation 15.x before 15.5.5, and Fusion 11.x before 11.5.5 contain an out-of-bounds read vulnerability in NVMe functionality. A malicious actor with local non-administrative access to a virtual machine with a...

The vulnerability of the SFCB service (Small Footprint CIM Broker), which is part of the VMware ESXi hypervisor and the VMware Cloud Foundation virtualization platform, allows a perpetrator to bypass the authentication process.

The vulnerability of the SFCB Small Footprint CIM Broker service of the VMware ESXi hypervisor and the VMware Cloud Foundation virtualization platform is related to deficiencies in the authentication process. Exploiting this vulnerability allows a malicious actor to bypass the authentication...