Is CVE-2021-28686 in the CISA KEV catalog?

No. CVE-2021-28686 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28686?

CVE-2021-28686 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-28686?

CVE-2021-28686 has an EPSS score of 0.25% (16th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28686?

Upgrade gputweak ii to 2.3.0.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-28686

MEDIUM

5.5

CVSS v3

NVD

Description

AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to trigger a stack-based buffer overflow. This could enable low-privileged users to achieve Denial of Service via a DeviceIoControl.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

gputweak iiNVD

Affected:< 2.3.0.3Fixed in:2.3.0.3CVE-2021-28686derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.25%probability of exploitation in 30 days

16thpercentile

Low risk: more likely to be exploited than 16% of all known CVEs.

References

Vendor Advisory1

asus.com

Third-Party Advisory1

gist.github.com

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

Embed a live status badge for CVE-2021-28686

Markdown

[![CVE-2021-28686](https://tridentstack.com/cve/badge/CVE-2021-28686.svg)](https://tridentstack.com/cve/CVE-2021-28686)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-28686"><img src="https://tridentstack.com/cve/badge/CVE-2021-28686.svg" alt="CVE-2021-28686"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.