CVE-2025-61736 HIGH

CVE-2025-61736: iSTAR- Improper Validation of Certificate Expiration

Vendor Johnson Controls
Product iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE
Weakness CWE-298
Published December 17, 2025
Last update December 17, 2025
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.

Key dates

02Disclosure timeline

December 17, 2025 CVE published
December 17, 2025 Record updated