CVE-2025-43874

highpriority · track · 0US
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
— EPSS
CVSS 8.8 · high
Is it mine?
12 products
Check your exposure
Who says so?
1 sources
cisa_csaf_ot

No description recorded.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixediSTAR Edge G2cisa_csaf_ot

    Upgrade iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2 to version 6.9.3 or greater.

  • FixediSTAR Ultracisa_csaf_ot

    Upgrade iSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra LT to version 6.9.7.CU01 or greater.

  • FixediSTAR Ultra G2cisa_csaf_ot

    Upgrade iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2 to version 6.9.3 or greater.

  • FixediSTAR Ultra G2 SEcisa_csaf_ot

    Upgrade iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2 to version 6.9.3 or greater.

  • FixediSTAR Ultra LTcisa_csaf_ot

    Upgrade iSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra LT to version 6.9.7.CU01 or greater.

  • FixediSTAR Ultra SEcisa_csaf_ot

    Upgrade iSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra LT to version 6.9.7.CU01 or greater.

  • MitigationiSTAR Edge G2cisa_csaf_ot

    Johnson Controls recommends taking steps to minimize risks to all building automation systems in alignment with CISA's guidance.

  • MitigationiSTAR Ultracisa_csaf_ot

    Johnson Controls recommends taking steps to minimize risks to all building automation systems in alignment with CISA's guidance.

  • MitigationiSTAR Ultra G2cisa_csaf_ot

    Johnson Controls recommends taking steps to minimize risks to all building automation systems in alignment with CISA's guidance.

  • MitigationiSTAR Ultra G2 SEcisa_csaf_ot

    Johnson Controls recommends taking steps to minimize risks to all building automation systems in alignment with CISA's guidance.

  • MitigationiSTAR Ultra LTcisa_csaf_ot

    Johnson Controls recommends taking steps to minimize risks to all building automation systems in alignment with CISA's guidance.

  • MitigationiSTAR Ultra SEcisa_csaf_ot

    Johnson Controls recommends taking steps to minimize risks to all building automation systems in alignment with CISA's guidance.

02

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78US
04

affected products (12)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-25-345-02Johnson Controls iSTAR Ultra2025-12-11icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could allow an attacker to modify firmware and gain full access to the device.

06

sources

Which sources assert this record, and when.

cisa_csaf_otNVDCVE.orgMITRE
published —modified —
07

references

External citations — patches, advisories, analysis.

No references recorded.

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