High severity · published Mar 10, 2022
CVE-2021-40048
There is an incorrect buffer size calculation vulnerability in the video framework
7.5
CVSS
0.8%
EPSS
No
On KEV
Description
There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect availability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
Emui · Huawei
10.0.0; 10.1.0; 10.1.1; 11.0.0; 11.0.1; 12.0.0 · source: NVD
HA
Harmonyos · Huawei
2.0 · source: NVD
MU
Magic UI · Huawei
3.0.0; 3.1.0; 3.1.1; 4.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40048
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40048
Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2022/3/
Vendor Advisory
https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193
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