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Fencer Vulns
critical 9.8

CVE-2021-37022 json

There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root perm…

published 2021-11-23 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23598

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

There is a Heap-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability will cause root permission which can be escalated.

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Huawei HarmonyOS

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.