Vulnerability in Citrix Hypervisor
CVE-2021-1081
NVIDIA vGPU software contains a vulnerability in the guest kernel mode driver and Virtual GPU manager (vGPU plugin), in which an input length is not validated, which may lead to information disclosure, tampering of data, or denial of service. This affects vGPU version 12.x (prior to 12.2), version 11.x (prior to 11.4) and version 8.x (prior 8.7).
EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Citrix Hypervisor
- Linux Linux_kernel
- Microsoft Windows
- 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 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-2021-1081?
- CVE-2021-1081 is a high-severity vulnerability in Citrix Hypervisor, classified under Improper Validation of Specified Quantity in Input. CVSS score: 7.8/10. Published 2021-04-29.
- How severe is CVE-2021-1081?
- High severity. CVSS v3 base score is 7.8 out of 10.