Vulnerability in Huawei Emui
CVE-2021-40045
There is a vulnerability of signature verification mechanism failure in system upgrade through recovery mode.Successful exploitation of this vulnerability may affect service confidentiality.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (3.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.7% 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 2.0, 12.0.0, 11.0.0
- Huawei Harmonyos — versions 4.0.0
- Huawei Magic Ui — versions 12.0.0, 11.0.1, 11.0.0
- Huawei Magic Ui — versions 4.0.0
Weakness classification (CWE)
References
- consumer.huawei.com/en/support/bulletin/2022/2/ (Vendor Advisory)
- device.harmonyos.com/en/docs/security/update/security-bulletins-202202-00000012… (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-40045?
- CVE-2021-40045 is a medium-severity vulnerability in Huawei Emui, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.5/10. Published 2022-02-09.
- How severe is CVE-2021-40045?
- Medium severity. CVSS v3 base score is 5.5 out of 10.