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Vulnerability Details :

CVE-2025-53696

Summary
Assigner-Dragos
Assigner Org ID-12bdf821-1545-4a87-aac5-61670cc6fcef
Published At-28 Jul, 2025 | 14:43
Updated At-19 Aug, 2025 | 14:43
Rejected At-
Credits

iSTAR Ultra performs a firmware verification on boot, however the verification does not inspect certain portions of the firmware. These firmware parts may contain malicious code. Tested up to firmware 6.9.2, later firmwares are also possibly affected.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Dragos
Assigner Org ID:12bdf821-1545-4a87-aac5-61670cc6fcef
Published At:28 Jul, 2025 | 14:43
Updated At:19 Aug, 2025 | 14:43
Rejected At:
▼CVE Numbering Authority (CNA)

iSTAR Ultra performs a firmware verification on boot, however the verification does not inspect certain portions of the firmware. These firmware parts may contain malicious code. Tested up to firmware 6.9.2, later firmwares are also possibly affected.

Affected Products
Vendor
Johnson Controls, Inc
Product
iSTAR Ultra
Platforms
  • Linux
Default Status
unknown
Versions
Affected
  • From 0 through 6.9.2 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-494CWE-494 Download of Code Without Integrity Check
Type: CWE
CWE ID: CWE-494
Description: CWE-494 Download of Code Without Integrity Check
Metrics
VersionBase scoreBase severityVector
4.09.3CRITICAL
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-638CAPEC-638 Altered Component Firmware
CAPEC-452CAPEC-452 Infected Hardware
CAPEC ID: CAPEC-638
Description: CAPEC-638 Altered Component Firmware
CAPEC ID: CAPEC-452
Description: CAPEC-452 Infected Hardware
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/refs/heads/main/2025-03.txt
N/A
Hyperlink: https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/refs/heads/main/2025-03.txt
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ot-cert@dragos.com
Published At:28 Jul, 2025 | 15:15
Updated At:29 Jul, 2025 | 14:14

iSTAR Ultra performs a firmware verification on boot, however the verification does not inspect certain portions of the firmware. These firmware parts may contain malicious code. Tested up to firmware 6.9.2, later firmwares are also possibly affected.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.3CRITICAL
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-494Secondaryot-cert@dragos.com
CWE ID: CWE-494
Type: Secondary
Source: ot-cert@dragos.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/refs/heads/main/2025-03.txtot-cert@dragos.com
N/A
Hyperlink: https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/refs/heads/main/2025-03.txt
Source: ot-cert@dragos.com
Resource: N/A

Change History

0
Information is not available yet

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