OpenHarmony v3.2.1 and prior version has a system call function usage error

published 2023-09-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54601

cvss: 3.9; version 3.1, CNA
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

OpenHarmony v3.2.1 and prior version has a system call function usage error. Local attackers can crash kernel by the error input.

Exploit prediction

0.16% 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	3.9	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

OpenHarmony OpenHarmony

Classification

Weakness

CWE-20 Improper Input Validation

References

gitee.com /openharmony/security/blob/master/zh/security-disclosure/2023/2023-11.md
broken-link

Sources

CVE List CVE-2023-4753
NVD CVE-2023-4753

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary