How severe is CVE-2021-23175?

CVE-2021-23175 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23175 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23175?

CVE-2021-23175 affects Nvidia Geforce Experience. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23175?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-23175 published?

CVE-2021-23175 was published on 2021-12-23 and last updated on 2026-06-17.

CVE-2021-23175

CVE-2021-23175 is a high-severity vulnerability in Nvidia Geforce Experience with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 4.4
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Nvidia Geforce Experience
Published: 2021-12-23
Last modified: 2026-06-17

Description

NVIDIA GeForce Experience contains a vulnerability in user authorization, where GameStream does not correctly apply individual user access controls for users on the same device, which, with user intervention, may lead to escalation of privileges, information disclosure, data tampering, and denial of service, affecting other resources beyond the intended security authority of GameStream.

Frequently asked questions

What is CVE-2021-23175?: NVIDIA GeForce Experience contains a vulnerability in user authorization, where GameStream does not correctly apply individual user access controls for users on the same device, which, with user intervention, may lead to escalation of privileges, information disclosure, data tampering, and denial of service, affecting other resources beyond the intended security authority of GameStream.
How severe is CVE-2021-23175?: CVE-2021-23175 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23175 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23175?: CVE-2021-23175 affects Nvidia Geforce Experience. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23175?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-23175 published?: CVE-2021-23175 was published on 2021-12-23 and last updated on 2026-06-17.

References

https://nvidia.custhelp.com/app/answers/detail/a_id/5295

Affected products (1)

cpe:2.3:a:nvidia:geforce_experience:*:*:*:*:*:*:*:*

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Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

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