Vulnerability Details : CVE-2021-22394
There is a buffer overflow vulnerability in smartphones. Successful exploitation of this vulnerability may cause DoS of the apps during Multi-Screen Collaboration.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2021-22394
- cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22394
0.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22394
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:P |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2021-22394
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-22394
-
https://consumer.huawei.com/en/support/bulletin/2021/7/
JulyVendor Advisory
-
https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202108-0000001181125881
DocumentVendor Advisory
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