There is a memory address out of bounds in smartphones.

published 2022-02-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9575

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

There is a memory address out of bounds in smartphones. Successful exploitation of this vulnerability may cause malicious code to be executed.

Exploit prediction

0.89% chance of exploitation in the next 30 days, higher than 59% 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 EMUI
Huawei Magic UI
Huawei HarmonyOS

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

consumer.huawei.com /en/support/bulletin/2021/6/
vendor-advisory
device.harmonyos.com /en/docs/security/update/security-bulletins-phones-202107-0000001170634565
vendor-advisory

Sources

CVE List CVE-2021-22429
NVD CVE-2021-22429

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.

Summary