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

Critical 9.2 Published Updated

Attackers can bypass access restrictions on ALC WebCTRL and Carrier i-Vu building automation servers to expose sensitive information.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-5539?

CVE-2024-5539 is a critical authentication bypass vulnerability in Automated Logic WebCTRL, published on 27 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Access Control Bypass vulnerability found in ALC WebCTRL and Carrier i-Vu in versions up to and including 8.5 allows a malicious actor to bypass intended access restrictions and expose sensitive information via the

web based building automation server.

Weakness: CWE-863

Which versions are affected by CVE-2024-5539?

How do I fix CVE-2024-5539?

No fix has been published for CVE-2024-5539 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-5539 being exploited?

There is no known exploitation of CVE-2024-5539 in the wild and no public exploit code.

Sources

Also known as GHSA-2m76-j3f4-m2c2.

Is CVE-2024-5539 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free