CVE-2025-56568

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Assertion failure vulnerability in the PCO (Protocol Configuration Options) parser in the SMF (Session Management Function) component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol configuration data."}, {"lang": "es", "value": "Vulnerabilidad de fallo de aserci\u00f3n en el analizador de PCO (Opciones de Configuraci\u00f3n de Protocolo) en el componente SMF (Funci\u00f3n de Gesti\u00f3n de Sesi\u00f3n) de Open5GS anterior a la v2.7.5 permite a atacantes remotos causar denegaci\u00f3n de servicio mediante mensajes NGAP especialmente dise\u00f1ados que contienen campos de longitud malformados en los datos de configuraci\u00f3n del protocolo."}], "id": "CVE-2025-56568", "lastModified": "2026-11-04T20:10:00.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-56568", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-04T15:01:21.477256Z", "version": "2.0.3"}}]}, "published": "2026-04-30T20:16:23.220", "references": [{"source": "cve@mitre.org", "url": "https://github.com/open5gs/open5gs/commit/d7707879c943d2c952235382154d835b5849d54e"}, {"source": "cve@mitre.org", "url": "https://github.com/open5gs/open5gs/issues/3969"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.7.5)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "open5gs", "vendor": "open5gs"}], "created": "2026-04-30T22:30:02.675531+00:00", "title": "DoS via PCO Parser Assertion Failure in Open5GS SMF", "updated": "2026-05-04T21:30:09.059331+00:00", "vendors": ["open5gs", "open5gs$PRODUCT$open5gs"]}