Missing parameter type validation in the DRM module.

published 2022-11-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-47498

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Missing parameter type validation in the DRM module. Successful exploitation of this vulnerability may affect availability.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-05-01)

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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

Affected products

n/a EMUI
n/a HarmonyOS

Classification

Weakness

CWE-20 Improper Input Validation

References

consumer.huawei.com /en/support/bulletin/2022/11/
vendor-advisory
device.harmonyos.com /en/docs/security/update/security-bulletins-202212-0000001462975397
vendor-advisory

Sources

CVE List CVE-2022-44556
NVD CVE-2022-44556

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Summary