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Fencer Vulns
medium 6.5

CVE-2021-22330 json

There is an out of bounds write vulnerability in Huawei Smartphone HUAWEI P30 versions 9.1.0.131(C00E130R1P21) when processing a message.

published 2021-04-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9476

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

There is an out of bounds write vulnerability in Huawei Smartphone HUAWEI P30 versions 9.1.0.131(C00E130R1P21) when processing a message. An unauthenticated attacker can exploit this vulnerability by sending specific message to the target device. Due to insufficient validation of the input parameter, successful exploit can cause the process and the service to be abnormal.

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a HUAWEI P30

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.