CVE-2025-12476Network attack vector

Unauthenticated access to critical controller functions

Published Oct 29, 2025 · Updated Oct 29, 2025

Missing authentication in Azure Access Technology BLU-IC2 and BLU-IC4 1.19.5 and earlier allows remote attackers to access critical functions. Azure Access Technology has not published which resource or interface lacks authentication or what operation it exposes. Network reachability is sufficient, with no credentials or user interaction required, and successful access can compromise controller data, operation, and availability.

CVSS severity10.0
Critical
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authentication in Azure Access Technology BLU-IC2 and BLU-IC4 1.19.5 and earlier allows remote attackers to access critical functions. Azure Access Technology has not published which resource or interface lacks authentication or what operation it exposes. Network reachability is sufficient, with no credentials or user interaction required, and successful access can compromise controller data, operation, and availability.

The record

CVE
CVE-2025-12476
Published
Oct 29, 2025
Updated
Oct 29, 2025
Vendor
Azure Access Technology
Product
BLU-IC4
Classifications
CWE-306, CAPEC-36, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 29, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.19.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Azure Access Technology · BLU-IC4version=0 <=1.19.5
Azure Access Technology · BLU-IC2version=0 <=1.19.5

Published CVSS scores

10.0Azure Access TechnologyCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-306Missing Authentication for Critical Function
CAPEC-36Using Unpublished Interfaces or Functionality
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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