What is the CVSS score of CVE-2025-27577?

CVE-2025-27577 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Openharmony are affected by CVE-2025-27577?

Organizations using OpenHarmony face notable risk from CVE-2025-27577, a race condition vulnerability rated CVSS 8.4.

How to fix or mitigate CVE-2025-27577?

Within 30 days: Identify all affected systems running OpenHarmony and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Openharmony CVE-2025-27577

HIGH

Race Condition (CWE-362)

2025-08-11 scy@openharmony.io

RCE Race Condition Openharmony

8.4

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:06 vuln.today

CVE Published

Aug 11, 2025 - 04:15 nvd

HIGH 8.4

DescriptionNVD

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

AnalysisAI

in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition. Rated high severity (CVSS 8.4), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-362. in OpenHarmony v5.0.3 and prior versions allow a local attacker arbitrary code execution in tcb through race condition. Affected products include: Openatom Openharmony.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-27577 vulnerability details – vuln.today

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