CVE-2025-53697 · Infrastructure
NO FIX YET · SEE WHAT TO DO
Johnson Controls iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE and Edge G2 access control systems ship with default credentials that are not changed on install. An attacker who knows or finds those credentials can log in and control the system.
first public Nov 13, 2026 · 1 source
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Any site running an affected iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE or Edge G2 access control system before the listed versions is exposed. The sources do not say whether the flaw is reachable from the internet or only from the local network, so the system's network exposure should be checked. Sites on fixed versions can skip it.
Not affected if fixed-version
Who cares access-control, istar, johnson-controls, physical-security
2.9.2.CU02 or later6.9.2.CU02 or laterUse of default credentials vulnerability in Johnson Controls iSTAR Ultra, Johnson Controls iSTAR Ultra SE, Johnson Controls iSTAR Ultra G2, Johnson Controls iSTAR Ultra G2 SE, and Johnson Controls iSTAR Edge G2 allows CAPEC‑560: Use of Default Credentials.
This issue affects iSTAR Ultra: before 2.9.2.CU02; iSTAR Ultra SE: before 6.9.2.CU02; iSTAR Ultra G2: before 6.9.2.CU02; iSTAR Ultra G2 SE: before 6.9.2.CU02; iSTAR Edge G2: before 6.9.2.CU02.
This page as .md · .json · CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/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
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