Some Huawei wearables have a permission management vulnerability.

published 2024-12-28 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2021-23576

cvss: 7.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 22 mo ago (2024-12-28)

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
CNA	3.1	7.7	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Huawei HarmonyOS

Classification

Weakness

CWE-255 Credentials Management Errors
CWE-276 Incorrect Default Permissions

References

device.harmonyos.com /en/docs/security/update/security-bulletins-wearables-202108-0000001135186780
vendor-advisory

Sources

CVE List CVE-2021-37000
NVD CVE-2021-37000

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Summary