A component of the HarmonyOS has a Out-of-bounds Read vulnerability.

published 2021-10-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9610

cvss: 3.3; 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

A component of the HarmonyOS has a Out-of-bounds Read vulnerability. Local attackers may exploit this vulnerability to cause system Soft Restart.

Exploit prediction

0.15% 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	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Huawei HarmonyOS

Classification

Weakness

CWE-125 Out-of-bounds Read

References

device.harmonyos.com /cn/docs/security/update/security-bulletins-202107-0000001123874808
vendor-advisory

Sources

CVE List CVE-2021-22464
NVD CVE-2021-22464

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Summary