CVE-2024-39816 — in OpenHarmony v4

in OpenHarmony v4.1.0 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write.

01What is this vulnerability?

in OpenHarmony v4.1.0 and prior versions allow a local attacker arbitrary code execution in pre-installed apps through out-of-bounds write.

02Affected products

Vendor	Product	Versions
OpenHarmony	OpenHarmony	v4.0.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-09-02T03:25:12.730Z
• Last modified: 2024-09-03T14:53:17.629Z

09References

• gitee.com — https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2024/2…