CVE-2023-3127

criticalpriority · track · 39EPSS 0.006 · 47 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.56% (47th) EPSS

CVSS 9.8 · critical

Is it mine?

20 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-28

An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.

remediations

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

A vendor fix is available.

FixediSTAR Edge G2cisa_csaf_ot
Johnson Controls recommends that users upgrade Sensormatic Elctronics iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 firmware to version 6.9.2 CUO1.
FixediSTAR Ultracisa_csaf_ot
Johnson Controls recommends that users upgrade Sensormatic Elctronics iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 firmware to version 6.9.2 CUO1.
FixediSTAR Ultra G2cisa_csaf_ot
Johnson Controls recommends that users upgrade Sensormatic Elctronics iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 firmware to version 6.9.2 CUO1.
FixediSTAR Ultra LTcisa_csaf_ot
Johnson Controls recommends that users upgrade Sensormatic Elctronics iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 firmware to version 6.9.2 CUO1.
MitigationiSTAR Edge G2cisa_csaf_ot
For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2023-05.
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
MitigationiSTAR Ultracisa_csaf_ot
For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2023-05.
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
MitigationiSTAR Ultra G2cisa_csaf_ot
For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2023-05.
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
MitigationiSTAR Ultra LTcisa_csaf_ot
For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2023-05.
https://www.johnsoncontrols.com/cyber-solutions/security-advisories

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.07.5highCVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · CISA US

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:Lsecondary · productsecurity@jci.comexploitability 1.6 · impact 5.3

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimaryCWE-287US

affected products (20)

Products and version ranges known to be affected.

iSTAR Edge G2: < 6.9.2 CU01all versionscisa_csaf_otUS
iSTAR Ultra G2: < 6.9.2 CU01all versionscisa_csaf_otUS
iSTAR Ultra LT: > 6.8.6 | < 6.9.2 CU01all versionscisa_csaf_otUS
iSTAR Ultra: > 6.8.6 | < 6.9.2 CU01all versionscisa_csaf_otUS
Sensormatic Electronics, LLC, a subsidiary of Johnson Controls Inc. iSTAR Edge G2< 6.9.2 CU01cisa_csaf_otUS
Sensormatic Electronics, LLC, a subsidiary of Johnson Controls Inc. iSTAR Ultra6.8.6 | → 6.9.2 CU01cisa_csaf_otUS
Sensormatic Electronics, LLC, a subsidiary of Johnson Controls Inc. iSTAR Ultra G2< 6.9.2 CU01cisa_csaf_otUS
Sensormatic Electronics, LLC, a subsidiary of Johnson Controls Inc. iSTAR Ultra LT6.8.6 | → 6.9.2 CU01cisa_csaf_otUS
Sensormatic Electronics, a subsidiary of Johnson Controls, Inc. iSTAR Edge G20 → 6.9.2 CU01enisa_euvdEU
Sensormatic Electronics, a subsidiary of Johnson Controls, Inc. iSTAR Ultra>6.8.6 → 6.9.2 CU01enisa_euvdEU
Sensormatic Electronics, a subsidiary of Johnson Controls, Inc. iSTAR Ultra G20 → 6.9.2 CU01enisa_euvdEU
Sensormatic Electronics, a subsidiary of Johnson Controls, Inc. iSTAR Ultra LT>6.8.6 → 6.9.2 CU01enisa_euvdEU
johnsoncontrols edge g2 firmware< 6.9.2nvdUScpe:2.3:o:johnsoncontrols:edge_g2_firmware:*:*:*:*:*:*:*:*
johnsoncontrols edge g2 firmware= 6.9.2nvdUScpe:2.3:o:johnsoncontrols:edge_g2_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar ultra firmware6.8.6 → 6.9.2nvdUScpe:2.3:o:johnsoncontrols:istar_ultra_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar ultra firmware= 6.9.2nvdUScpe:2.3:o:johnsoncontrols:istar_ultra_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar ultra g2 firmware< 6.9.2nvdUScpe:2.3:o:johnsoncontrols:istar_ultra_g2_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar ultra g2 firmware= 6.9.2nvdUScpe:2.3:o:johnsoncontrols:istar_ultra_g2_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar ultra lt firmware6.8.6 → 6.9.2nvdUScpe:2.3:o:johnsoncontrols:istar_ultra_lt_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar ultra lt firmware= 6.9.2nvdUScpe:2.3:o:johnsoncontrols:istar_ultra_lt_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-23-192-02Sensormatic Electronics iSTAR2023-07-11icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an unauthenticated user to login to iSTAR devices with administrator rights.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2023-07-11modified 2026-06-17

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+7720 more

references (8)

External citations — patches, advisories, analysis.

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