PT-2025-53301 · Johnson Controls · Istar Ultra G2+1

Published 2025-12-24 · Updated 2025-12-24 · CVE-2025-43876

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions (affected versions not specified)

Description A successful exploitation could result in access to the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2025-43876

Affected Products

Istar Ultra G2

Istar Ultra

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-43876 · Security Note
• https://johnsoncontrols.com/trust-center/cybersecurity/security-advisories · Note
• https://cisa.gov/news-events/ics-advisories/icsa-25-345-01 · Note
• https://t.me/CVEtracker/40613 · Telegram Post
• https://twitter.com/CVEnew/status/2003932323012645086 · Twitter Post