CVE-2025-61736 (GCVE-0-2025-61736)
Vulnerability from cvelistv5
Published
2025-12-17 12:36
Modified
2025-12-17 15:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-298 - -Improper Validation of certificate expiration
Summary
Successful exploitation of this vulnerability could result in the product failing to re-establish communication once the certificate expires.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Johnson Controls | iSTAReX, iSTAR Edge, iSTAR Ultra LT, iSTAR Ultra , iSTAR Ultra SE |
Version: iSTAR All versions prior to TLS 1.2 |
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"value": "\u003cp\u003eJohnson Controls recommends the following mitigations:\u003c/p\u003e\u003cp\u003eHost-based certificates using TLS 1.2:\u003c/p\u003e\u003cul\u003e\u003cli\u003eQuickest solution\u003c/li\u003e\u003cli\u003eNo Upgrade required to specific C\u2022CURE or iSTAR software/firmware versions\u003c/li\u003e\u003cli\u003eRequires downloading a new certificate to all iSTAR panels simultaneously, resulting in a brief system downtime\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eConvert encryption mode to TLS 1.3, per cluster:\u003c/p\u003e\u003cul\u003e\u003cli\u003eRequires firmware 6.9.0 or higher, and C\u2022CURE 9000 v2.90 SP3 or higher\u003c/li\u003e\u003cli\u003eEnables phased implementation by cluster, minimizing disruption\u003c/li\u003e\u003cli\u003eNote: TLS 1.3 is not supported on iSTAR eX, iSTAR Edge, and iSTAR Ultra LT panels\u003c/li\u003e\u003c/ul\u003e\u003cp\u003eUpgrade legacy panels to new G2 hardware:\u003c/p\u003e\u003cul\u003e\u003cli\u003eRecommended for smaller systems due to time constraints\u003c/li\u003e\u003cli\u003eApplies primarily to iSTAR eX, iSTAR Edge, and iSTAR LT panels\u003c/li\u003e\u003c/ul\u003e"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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