There is an out-of-bounds read vulnerability in the IFAA module.

published 2022-03-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27240

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

There is an out-of-bounds read vulnerability in the IFAA module. Successful exploitation of this vulnerability may cause stack overflow.

Exploit prediction

1.09% chance of exploitation in the next 30 days, higher than 65% 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-125 Out-of-bounds Read

References

consumer.huawei.com /en/support/bulletin/2022/3/
vendor-advisory
device.harmonyos.com /cn/docs/security/update/security-bulletins-phones-202203-0000001257385193
vendor-advisory

Sources

CVE List CVE-2021-40050
NVD CVE-2021-40050

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