CVE-2025-52458

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[v5.0.3,v5.1.0.x]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenHarmony", "source": "cna", "vendor": "OpenHarmony"}, "product": "openharmony", "vendor": "openharmony"}], "analysis": {"en": {"generated_at": "2026-03-17T21:42:13.880294+00:00", "value": {"mitigation_remediation": ["Update OpenHarmony to a version with the patch that resolves the out\u2011of\u2011bounds write in arkcompiler_ets_runtime.", "If a patch is not immediately available, disable or uninstall the vulnerable pre\u2011installed application(s) to mitigate the risk until an official fix is released."], "summary": {"action": "Apply Patch", "impact": "Local Arbitrary Code Execution"}, "threat_synthesis": {"affected_systems": "The vulnerability affects OpenHarmony OS participants, specifically versions 5.0.3 and 5.1.0, as indicated by the CPE entries. Earlier releases may also be impacted, but only the listed versions are confirmed.", "description_and_impact": "OpenHarmony's arkcompiler Ets runtime contains an out\u2011of\u2011bounds write that can be triggered by a local attacker, ultimately enabling arbitrary code execution within pre\u2011installed applications. The vulnerability is a classic buffer overflow flaw (CWE\u2011787) and allows the attacker to overwrite memory and run malicious code, potentially compromising system confidentiality, integrity, and availability.", "risk_and_exploitability": "The CVSS score of 5.5 classifies the issue as medium severity. EPSS indicates a very low current exploitation probability (<1%), and the vulnerability is not listed in the CISA KEV catalog. Exploitation requires a local attacker and is limited to restricted scenarios, as the description specifies that the out\u2011of\u2011bounds write can be exploited only in such contexts. The attack vector is therefore local; remote exploitation is not supported according to the available data."}}}}, "created": "2026-03-17T09:53:07.314850+00:00", "updated": "2026-03-24T10:45:32.611016+00:00", "vendors": ["openharmony", "openharmony$PRODUCT$openharmony"]}