Access Control Bypass in ALC WebCTRL and Carrier i-Vu by Carrier
CVE-2024-5539

9.2CRITICAL

Key Information:

Vendor
CVE Published:
27 November 2025

What is CVE-2024-5539?

An Access Control Bypass vulnerability has been identified in ALC WebCTRL and Carrier i-Vu, which allows unauthorized users to circumvent access restrictions. This flaw impacts versions up to and including 8.5, potentially allowing malicious actors to gain access to sensitive information through the web-based building automation server. The exposure of such data can lead to significant operational risks and security breaches.

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Affected Version(s)

i-Vu Windows 0 <= 8.5

WebCTRL Windows 0 <= 8.5

References

CVSS V4

Score:
9.2
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Steve Knabe from Praetorian
.