CVE-2021-22484

Name: CVE-2021-22484
Creator: NVD / NIST
Published: 2024-12-28T07:15:18.723+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2021-22484 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data. Successful exploitation of this vulnerability may cause a server out of memory (OOM).. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data. Successful exploitation of this vulnerability may cause a server out of memory (OOM).

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

0.28%

19.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Huawei	Harmonyos	2.0.0

References

https://device.harmonyos.com/en/docs/security/update/security-bulletins-wearables-202108-0000001135186780Vendor Advisory

Timeline

Published: Dec 28, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-22484?

Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data. Successful exploitation of this vulnerability may cause a server out of memory (OOM).

How severe is CVE-2021-22484?

CVE-2021-22484 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22484?

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-2021-22484?

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

Scan your code now

Source: NVD / NIST