CVE-2017-4919
CriticalSummary
VMware vCenter Server versions 5.5, 6.0, and 6.5 allow vSphere users with limited privileges to use the VIX API to access Guest Operating Systems without the need for authentication.
Risk Assessment
The possibility of unauthorized access to Guest Operating Systems poses a significant threat to the security of organizational data and infrastructure.
Recommendation
It is recommended to restrict vSphere user privileges and monitor access to the VIX API to minimize risk.
Other vulnerabilities in VMware vCenter Server
See all- CVE-2017-4927High
VMware vCenter Server versions 6.5 prior to 6.5 U1 and 6.0 prior to 6.0 U3c do not correctly handle specially crafted LDAP network packets, which may allow for remote denial of service.
- CVE-2017-4921High
VMware vCenter Server (6.5 prior to 6.5 U1) contains an insecure library loading issue due to the unsafe use of the LD_LIBRARY_PATH variable. Successful exploitation of this vulnerability may allow unprivileged host users to load a shared library, potentially leading to privilege escalation.
- CVE-2016-7459High
VMware vCenter Server versions 5.5 before U3e and 6.0 before U2a allow remote authenticated users to read arbitrary files via a Log Browser, Distributed Switch setup, or Content Library XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.
- CVE-2015-2342High
The JMX RMI service in VMware vCenter Server in versions 5.0 before u3e, 5.1 before u3b, 5.5 before u3, and 6.0 before u1 does not restrict registration of MBeans, allowing remote attackers to execute arbitrary code via the RMI protocol.
- CVE-2021-21985CriticalActively exploited
The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in 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.
- CVE-2021-21972CriticalActively exploited
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 (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).
- CVE-2017-4923Critical
VMware vCenter Server (6.5 prior to 6.5 U1) contains an information disclosure vulnerability. This issue may allow plaintext credentials to be obtained when using the vCenter Server Appliance file-based backup feature.
Original NVD description (English source)
VMware vCenter Server 5.5, 6.0, 6.5 allows vSphere users with certain, limited vSphere privileges to use the VIX API to access Guest Operating Systems without the need to authenticate.