High severity · published Aug 10, 2021
CVE-2021-22386
A component of the Huawei smartphone has a Double Free vulnerability
7.0
CVSS
0.2%
EPSS
No
On KEV
Description
A component of the Huawei smartphone has a Double Free vulnerability. Local attackers may exploit this vulnerability to cause Root Elevation of Privileges.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EU
EMUI;Magic UI;HarmonyOS ·
EMUI 11.0.0; Magic UI 4.0.0; HarmonyOS 2.0 · source: vendor
EM
Emui · Huawei
11.0.0 · source: NVD
MU
Magic UI · Huawei
4.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22386
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22386
Vendor Advisory
https://consumer.huawei.com/en/support/bulletin/2021/6/
Third Party Advisory
https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077
More from EMUI;Magic UI;HarmonyOS
9.8
CVE-2021-39996
There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones
7.8
CVE-2021-22385
A component of the Huawei smartphone has a External Control of System or Configuration Setting vulnerability
7.5
CVE-2021-39998
There is Vulnerability of APIs being concurrently called for multiple times in HwConnectivityExService a in smartphones
7.5
CVE-2021-40011
There is an uncontrolled resource consumption vulnerability in the display module