Multiple path traversal in appspawn and nwebspawn services.

published 2022-11-03 4y ago modified 2026-06-17 4mo ago also EUVD-2022-46453

cvss: 8.4; 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 9%
public exploits: 0; none known

OpenHarmony-v3.1.2 and prior versions had an Multiple path traversal vulnerability in appspawn and nwebspawn services. Local attackers can create arbitrary directories or escape application sandbox.If chained with other vulnerabilities it would allow an unprivileged process to gain full root privileges.

Patch / fix

links 1

gitee.com/openharmony/security/blob/master/en/security-disclosure/20… advisory

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Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	6.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Affected products

OpenHarmony OpenHarmony

Classification

Weakness

CWE-287 Improper Authentication
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

gitee.com /openharmony/security/blob/master/en/security-disclosure/2022/2022-11.md
patch, vendor-advisory, third-party-advisory

Sources

CVE List CVE-2022-43451
NVD CVE-2022-43451

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