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CVE-2023-3127

Improper Authentication in iSTAR

7.5 High

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 47th percentile. No source names a fixed version.

What does this mean?
Severity
7.5 HighCVSS 3.1, CVE List
Exploit chance
0.56%EPSS, 47th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

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

0.56%Up 0.5 points since Jul 12, 2023
90%50%10%1%

Affected products

What each source reports

CVE List Score used7.5

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 HighCVSS: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-2023-438137.5

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 HighCVSS: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-6w847.5

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 HighCVSS: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
NVD7.5

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 HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
CVSS 3.1
9.8 CriticalCVSS: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

History

History
RecordedChangedSources
aliases, products, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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