CVE-2024-5539

CRITICAL EPSS 20.4%
Published Nov 27, 20257mo ago · Modified Jun 17, 20261w ago
9.2 CVSS 4.0
Critical
Find Similar
Published Nov 27, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.2
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
20.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-863 Incorrect Authorization Authorization

References 1

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.