Double Free in Huawei Emui
CVE-2021-22386
A component of the Huawei smartphone has a Double Free vulnerability. Local attackers may exploit this vulnerability to cause Root Elevation of Privileges.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Huawei Emui — versions 11.0.0
- Huawei Magic Ui — versions 4.0.0
- Emui;magic Ui;harmonyos — versions EMUI 11.0.0, Magic UI 4.0.0, HarmonyOS 2.0
Weakness classification (CWE)
References
- consumer.huawei.com/en/support/bulletin/2021/6/ (Vendor Advisory)
- device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22386?
- CVE-2021-22386 is a high-severity vulnerability in Huawei Emui, classified under Double Free. CVSS score: 7.0/10. Published 2021-08-10.
- How severe is CVE-2021-22386?
- High severity. CVSS v3 base score is 7.0 out of 10.