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CVE-2025-43876

iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE, iSTAR Edge G2 - Authenticated web application command injection - get8021xSettings

Published: Dec 24, 2025Updated: Dec 29, 2025 Sources: CVE List NVD csafCWE-78
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.3%
Top 82.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Successful exploitation of these vulnerabilities could result in unauthorized access to the device.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-78

Affected Products

iSTAR Ultra, iSTAR Ultra SEJohnson Controls
On-prem
ICS / OT / IoT / building-automation
iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2Johnson Controls
On-prem
ICS / OT / IoT / building-automation
johnson controlscommercialUSICS / OT / IoTaka jci, exacqvision, metasys, frick controls quantum hd

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-345-01.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-01
cisa.gov
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
cisa.gov
and 15 more references View all →

Timeline

Published
Dec 24, 2025
Last Updated
Dec 29, 2025

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