Out-of-bounds Read in Citrix Hypervisor
CVE-2021-1063
NVIDIA vGPU manager contains a vulnerability in the vGPU plugin, in which an input offset is not validated, which may lead to a buffer overread, which in turn may cause tampering of data, information disclosure, or denial of service. This affects vGPU version 8.x (prior to 8.6) and version 11.0 (prior to 11.3).
Vulnerability class: Buffer Overflow
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: 0.004 (29.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Citrix Hypervisor
- Nutanix Ahv
- NVIDIA Virtual GPU Manager — versions Version 8.x (prior to 8.6) and version 11.0 (prior to 11.3)
- 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/5142 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1063?
- CVE-2021-1063 is a high-severity vulnerability in Citrix Hypervisor, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-01-08.
- How severe is CVE-2021-1063?
- High severity. CVSS v3 base score is 7.8 out of 10.