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9.8

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

CVE-2023-3127 · published 3 years ago
Summary

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

What to do
  • Update johnsoncontrols istar_ultra_firmware to version 6.9.2 or later.
  • Update johnsoncontrols istar_ultra_lt_firmware to version 6.9.2 or later.
  • Update johnsoncontrols istar_ultra_g2_firmware to version 6.9.2 or later.
  • Update johnsoncontrols edge_g2_firmware to version 6.9.2 or later.
Affected software
VendorProductAffected versions
johnsoncontrols istar_ultra_firmware >= 6.8.6, < 6.9.2
6.9.2
cpe:2.3:o:johnsoncontrols:istar_ultra_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar_ultra_lt_firmware >= 6.8.6, < 6.9.2
6.9.2
cpe:2.3:o:johnsoncontrols:istar_ultra_lt_firmware:*:*:*:*:*:*:*:*
johnsoncontrols istar_ultra_g2_firmware < 6.9.2
6.9.2
cpe:2.3:o:johnsoncontrols:istar_ultra_g2_firmware:*:*:*:*:*:*:*:*
johnsoncontrols edge_g2_firmware < 6.9.2
6.9.2
cpe:2.3:o:johnsoncontrols:edge_g2_firmware:*:*:*:*:*:*:*:*
Original advisory text
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-287Improper Authentication
Timeline
Published11 Jul 2023
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2023-3127 · NVD
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