CVE-2021-40045 json
There is a vulnerability of signature verification mechanism failure in system upgrade through recovery mode.Successful exploitation of thi…
published 4y ago modified 4mo ago also EUVD-2021-27235
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
There is a vulnerability of signature verification mechanism failure in system upgrade through recovery mode.Successful exploitation of this vulnerability may affect service confidentiality.
Patch / fix
- huawei harmonyos 2.0
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0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Huawei EMUI
- Huawei Magic UI
- Huawei HarmonyOS
Classification
- Weakness
-
- CWE-347 Improper Verification of Cryptographic Signature
References
Sources
- CVE List CVE-2021-40045
- NVD CVE-2021-40045
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