Auth bypass in Citrix Hypervisor
CVE-2021-1086
NVIDIA vGPU driver contains a vulnerability in the Virtual GPU Manager (vGPU plugin) where it allows guests to control unauthorized resources, which may lead to integrity and confidentiality loss or information disclosure. This affects vGPU version 12.x (prior to 12.2), version 11.x (prior to 11.4) and version 8.x (prior to 8.7).
Vulnerability class: Broken Access Control
EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Citrix Hypervisor
- Nutanix Ahv
- Nvidia Virtual Gpu Software — versions vGPU version 12.x (prior to 12.2), version 11.x (prior to 11.4) and version 8.x (prior to 8.7)
- Nvidia Virtual_gpu_manager
- Vmware Vsphere
- Redhat Enterprise_linux_kernel-based_virtual_machine
Weakness classification (CWE)
References
- psirt@nvidia.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1086?
- CVE-2021-1086 is a high-severity vulnerability in Citrix Hypervisor, classified under Incorrect Authorization. CVSS score: 7.1/10. Published 2021-04-29.
- How severe is CVE-2021-1086?
- High severity. CVSS v3 base score is 7.1 out of 10.