CVE-2021-0631

Name: CVE-2021-0631
Creator: NVD / NIST
Published: 2021-10-25T14:15:09.38+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2021-0631 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In wifi driver, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

In wifi driver, there is a possible system crash due to a missing bounds check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05551435; Issue ID: ALPS05551435.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Google	Android	8.1
Google	Android	9.0
Google	Android	10.0
Google	Android	11.0

References

https://corp.mediatek.com/product-security-bulletin/October-2021Third Party Advisory
https://corp.mediatek.com/product-security-bulletin/October-2021Third Party Advisory

Timeline

Published: Oct 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0631?

How severe is CVE-2021-0631?

CVE-2021-0631 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0631?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-0631?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST