Vulnerability of unstrict data verification and parameter check.

published 2023-07-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-33543

cvss: 7.5; 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 28%
public exploits: 0; none known

Vulnerability of unstrict data verification and parameter check. Successful exploitation of this vulnerability may affect integrity.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 23 mo ago (2024-11-20)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

Huawei HarmonyOS
Huawei EMUI

Classification

Weakness

CWE-1284 Improper Validation of Specified Quantity in Input

References

consumer.huawei.com /en/support/bulletin/2023/7/
vendor-advisory
device.harmonyos.com /en/docs/security/update/security-bulletins-202307-0000001587168858
vendor-advisory

Sources

CVE List CVE-2021-46893
NVD CVE-2021-46893

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Summary