CVE-2021-22391
HIGHCVSS 7.5/10EPSS 0.68%
Last modified
CVE-2021-22391 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause the system to reset.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.
Description
There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause the system to reset.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Huawei | Emui | 9.1.0 |
| Huawei | Emui | 9.1.1 |
| Huawei | Emui | 10.0.0 |
| Huawei | Emui | 10.1.0 |
| Huawei | Emui | 10.1.1 |
| Huawei | Emui | 11.0.0 |
| Huawei | Magic Ui | 2.1.1 |
| Huawei | Magic Ui | 3.0.0 |
| Huawei | Magic Ui | 3.1.0 |
| Huawei | Magic Ui | 3.1.1 |
| 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
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22391?
There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause the system to reset.
How severe is CVE-2021-22391?
CVE-2021-22391 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-2021-22391?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-22386A component of the Huawei smartphone has a Double Free vulne…7
- CVE-2021-22387There is an Improper Control of Dynamically Managing Code Re…9.8
- CVE-2021-22388There is an Integer Overflow Vulnerability in Huawei Smartph…9.8
- CVE-2021-22389There is a Permission Control Vulnerability in Huawei Smartp…9.8
- CVE-2021-2239Vulnerability in the Oracle Time and Labor product of Oracle…8.1
- CVE-2021-22390There is a Memory Buffer Improper Operation Limit Vulnerabil…9.8
- CVE-2021-22392There is an Incorrect Calculation of Buffer Size in Huawei S…7.5
- CVE-2021-22393There is a denial of service vulnerability in some versions …7.5
- CVE-2021-22394There is a buffer overflow vulnerability in smartphones. Suc…9.1
- CVE-2021-22395There is a code injection vulnerability in smartphones. Succ…7.5
- CVE-2021-22396There is a privilege escalation vulnerability in some Huawei…7.8
- CVE-2021-22397There is a privilege escalation vulnerability in Huawei Mana…6.7
Are you affected by CVE-2021-22391?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST