CVE-2021-22437 json
There is a software integer overflow leading to a TOCTOU condition in smartphones.
published 2022-02-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9583
- cvss
- 7.0
- 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 software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.
Exploit prediction
0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Huawei EMUI
- Huawei Magic UI
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
consumer.huawei.com
/en/support/bulletin/2021/9/
vendor-advisory
Sources
- CVE List CVE-2021-22437
- NVD CVE-2021-22437
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