CVE-2025-27577

HIGH

Published Aug 11, 2025 Modified Aug 12, 2025 CWE-362

Description

in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition.

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CVSS v3.1 Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H

Weakness Type (CWE)

CWE-362 CWE-362

Affected Products

Vendor	Product	Versions
openatom	openharmony	< 5.0.3

References

Advisories & Patches

https://gitee.com/openharmony/security/blob/master/zh/security-disclosure/2025/2025-08.md

Frequently Asked Questions

What is CVE-2025-27577? +

in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition. It has a CVSS v3.1 base score of 8.4 (HIGH).

How severe is CVE-2025-27577? +

CVE-2025-27577 has a CVSS v3.1 score of 8.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-27577? +

CVE-2025-27577 affects products from openatom, specifically: openharmony. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-27577? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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