CVE-2021-1103

Host service crash via NULL pointer dereference

Published Jul 21, 2021 · Updated Aug 3, 2024

NULL-pointer dereference in NVIDIA vGPU Software 8.x before 8.8, 11.x before 11.5, and 12.x before 12.3 allows local users to crash the manager. The vGPU plugin dereferences a NULL pointer, but NVIDIA has not disclosed the input or code path that supplies it. Exploitation requires high privileges on the hypervisor host and affects availability only, with no reported data disclosure or modification.

CVSS severity4.4
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL-pointer dereference in NVIDIA vGPU Software 8.x before 8.8, 11.x before 11.5, and 12.x before 12.3 allows local users to crash the manager. The vGPU plugin dereferences a NULL pointer, but NVIDIA has not disclosed the input or code path that supplies it. Exploitation requires high privileges on the hypervisor host and affects availability only, with no reported data disclosure or modification.

The record

CVE
CVE-2021-1103
Published
Jul 21, 2021
Updated
Aug 3, 2024
Vendor
NVIDIA
Product
NVIDIA vGPU Software
Classifications
CWE-476, T1499.004
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Jul 21, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

NVIDIA · NVIDIA vGPU Softwareversion=vGPU version 12.x (prior to 12.3), version 11.x (prior to 11.5) and version 8.x (prior 8.8).

Published CVSS scores

4.4NVIDIACVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
2.1NIST NVDAV:L/AC:L/Au:N/C:N/I:N/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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