CVE-2023-3127
Improper Authentication in iSTAR
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Improper Authentication in iSTAR
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.
- Record
CVE-2023-3127- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2023-43813
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.
- Record
EUVD-2023-43813- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pw83-8wqr-6w84
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR...
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.
- Record
GHSA-pw83-8wqr-6w84- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
An unauthenticated user could log into iSTAR Ultra, iSTAR Ultra LT, iSTAR Ultra G2, and iSTAR Edge G2 with administrator rights.
- Record
CVE-2023-3127- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
- johnson controls, inc istar ultra
- sensormatic electronics, a subsidiary of johnson controls, inc. istar edge g2
- sensormatic electronics, a subsidiary of johnson controls, inc. istar ultra
- sensormatic electronics, a subsidiary of johnson controls, inc. istar ultra g2
- sensormatic electronics, a subsidiary of johnson controls, inc. istar ultra lt
- johnsoncontrols edge g2 firmware
- johnsoncontrols istar ultra firmware
- johnsoncontrols istar ultra g2 firmware
- johnsoncontrols istar ultra lt firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-3127 is a high vulnerability (CVSS 7.5) in Johnson Controls, Inc Istar Ultra, published July 11, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.