Parameter verification vulnerability in the installd module.

published 2023-08-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43128

cvss: 9.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits: 0; none known

Parameter verification vulnerability in the installd module. Successful exploitation of this vulnerability may cause sandbox files to be read and written without authorization.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-10-09)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Huawei HarmonyOS
Huawei EMUI

Classification

Weakness

CWE-358 Improperly Implemented Security Check for Standard
CWE-285 Improper Authorization

References

consumer.huawei.com /en/support/bulletin/2023/8/
vendor-advisory
device.harmonyos.com /en/docs/security/update/security-bulletins-202308-0000001667644725
vendor-advisory

Sources

CVE List CVE-2023-39403
NVD CVE-2023-39403

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Summary