CVE-2023-3127

Improper Authentication in iSTAR

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

High

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-06-06 CVE Reserved
2023-07-11 CVE Published
2024-10-22 CVE Updated
2025-01-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

CAPEC-115: Authentication Bypass

References (2)

URL	Tag	Source
https://www.cisa.gov/news-events/ics-advisories/icsa-23-192-02	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.johnsoncontrols.com/cyber-solutions/security-advisories	2023-07-20

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Firmware Search vendor "Johnsoncontrols" for product "Istar Ultra Firmware"	>= 6.8.6 < 6.9.2 Search vendor "Johnsoncontrols" for product "Istar Ultra Firmware" and version " >= 6.8.6 < 6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Search vendor "Johnsoncontrols" for product "Istar Ultra"	-	-	Safe
Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Firmware Search vendor "Johnsoncontrols" for product "Istar Ultra Firmware"	6.9.2 Search vendor "Johnsoncontrols" for product "Istar Ultra Firmware" and version "6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Search vendor "Johnsoncontrols" for product "Istar Ultra"	-	-	Safe
Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Lt Firmware Search vendor "Johnsoncontrols" for product "Istar Ultra Lt Firmware"	>= 6.8.6 < 6.9.2 Search vendor "Johnsoncontrols" for product "Istar Ultra Lt Firmware" and version " >= 6.8.6 < 6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Lt Search vendor "Johnsoncontrols" for product "Istar Ultra Lt"	-	-	Safe
Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Lt Firmware Search vendor "Johnsoncontrols" for product "Istar Ultra Lt Firmware"	6.9.2 Search vendor "Johnsoncontrols" for product "Istar Ultra Lt Firmware" and version "6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra Lt Search vendor "Johnsoncontrols" for product "Istar Ultra Lt"	-	-	Safe
Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra G2 Firmware Search vendor "Johnsoncontrols" for product "Istar Ultra G2 Firmware"	< 6.9.2 Search vendor "Johnsoncontrols" for product "Istar Ultra G2 Firmware" and version " < 6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra G2 Search vendor "Johnsoncontrols" for product "Istar Ultra G2"	-	-	Safe
Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra G2 Firmware Search vendor "Johnsoncontrols" for product "Istar Ultra G2 Firmware"	6.9.2 Search vendor "Johnsoncontrols" for product "Istar Ultra G2 Firmware" and version "6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Istar Ultra G2 Search vendor "Johnsoncontrols" for product "Istar Ultra G2"	-	-	Safe
Johnsoncontrols Search vendor "Johnsoncontrols"	Edge G2 Firmware Search vendor "Johnsoncontrols" for product "Edge G2 Firmware"	< 6.9.2 Search vendor "Johnsoncontrols" for product "Edge G2 Firmware" and version " < 6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Edge G2 Search vendor "Johnsoncontrols" for product "Edge G2"	-	-	Safe
Johnsoncontrols Search vendor "Johnsoncontrols"	Edge G2 Firmware Search vendor "Johnsoncontrols" for product "Edge G2 Firmware"	6.9.2 Search vendor "Johnsoncontrols" for product "Edge G2 Firmware" and version "6.9.2"	-	Affected	in	Johnsoncontrols Search vendor "Johnsoncontrols"	Edge G2 Search vendor "Johnsoncontrols" for product "Edge G2"	-	-	Safe