CVE-2025-66719

{"id": "CVE-2025-66719", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2026-01-23T16:15:51.220", "references": [{"url": "https://github.com/free5gc/free5gc/issues/736", "tags": ["Exploit", "Issue Tracking"], "source": "cve@mitre.org"}, {"url": "https://github.com/free5gc/nrf/pull/73", "tags": ["Issue Tracking", "Patch"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Free5gc NRF 1.4.0. In the access-token generation logic of free5GC, the AccessTokenScopeCheck() function in file internal/sbi/processor/access_token.go bypasses all scope validation when the attacker uses a crafted targetNF value. This allows attackers to obtain an access token with any arbitrary scope."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Free5gc NRF 1.4.0. En la l\u00f3gica de generaci\u00f3n de tokens de acceso de free5GC, la funci\u00f3n AccessTokenScopeCheck() en el archivo internal/sbi/processor/access_token.go omite toda la validaci\u00f3n de alcance cuando el atacante utiliza un valor targetNF manipulado. Esto permite a los atacantes obtener un token de acceso con cualquier alcance arbitrario."}], "lastModified": "2026-02-11T19:55:25.293", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:free5gc:nrf:1.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C9EFD5D-FC88-49B3-B73F-500B144CB4D2"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}