Vulnerability in Citrix Hypervisor
CVE-2021-1083
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) and version 11.x (prior to 11.4).
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (14.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Citrix Hypervisor
- Linux Kernel
- Microsoft Windows
- NVIDIA Virtual GPU Software — versions vGPU version prior to 11.4, and all version prior to 12.2
- NVIDIA Virtual GPU Manager
- VMware Vsphere
- Red Hat Enterprise Linux Kernel-Based Virtual Machine
Weakness classification (CWE)
References
- nvidia.custhelp.com/app/answers/detail/a_id/5172 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1083?
- CVE-2021-1083 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-2021-1083?
- High severity. CVSS v3 base score is 7.8 out of 10.