Home/CVE/An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator
CVE

CVE-2023-3127

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

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

HIGH · CVSS 7.5 EPSS 0.00202
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-287Improper Authentication
▤

Affected Products & Versions

8
johnsoncontrols istar ultra firmware>= 6.8.6 and < 6.9.2
johnsoncontrols istar ultra firmwareall versions
johnsoncontrols istar ultra lt firmware>= 6.8.6 and < 6.9.2
johnsoncontrols istar ultra lt firmwareall versions
johnsoncontrols istar ultra g2 firmware< 6.9.2
johnsoncontrols istar ultra g2 firmwareall versions
johnsoncontrols edge g2 firmware< 6.9.2
johnsoncontrols edge g2 firmwareall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · productsecurity@jci.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jul 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-192-02
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/news-events/ics-advisories/icsa-23-192-02Third Party AdvisoryUS Government Resource
https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
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