CVE-2021-22379

Name: CVE-2021-22379
Creator: NVD / NIST
Published: 2021-08-02T17:15:13.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2021-22379 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is an Integer Underflow (Wrap or Wraparound) Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause DoS of Samgr.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

There is an Integer Underflow (Wrap or Wraparound) Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause DoS of Samgr.

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

0.68%

47.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-191

Affected Software

Vendor	Product	Versions
Huawei	Emui	11.0.0
Huawei	Magic Ui	4.0.0

References

https://consumer.huawei.com/en/support/bulletin/2021/6/Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2021/6/Vendor Advisory

Timeline

Published: Aug 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22379?

There is an Integer Underflow (Wrap or Wraparound) Vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause DoS of Samgr.

How severe is CVE-2021-22379?

CVE-2021-22379 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22379?

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-2021-22379?

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

Scan your code now

Source: NVD / NIST