9.3
CRITICAL CVSS 4.0
CVE-2026-15203
Debug interfaces are accessible by default in Danfoss iC7 Automation SP, iC7 Marine and iC7 7Hybrid software
Description

Improper access control in debug and engineering interfaces in Danfoss iC7-Automation SP, iC7-Marine, and iC7-Hybrid GR3 allows attackers to gain read/write access to internal values, upload and execute unsigned applications, and upload unsigned EEPROM data and firmware via exposed service interfaces and software update mechanisms

INFO

Published Date :

Aug. 26, 2026, 6:16 a.m.

Last Modified :

Sept. 3, 2026, 4:41 p.m.

Remotely Exploit :

Yes !

Source :

d7ff35af-cf88-454c-bab9-af60602f10f8
Affected Products

The following products are affected by CVE-2026-15203 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 CRITICAL d7ff35af-cf88-454c-bab9-af60602f10f8
CVSS 4.0 CRITICAL d7ff35af-cf88-454c-bab9-af60602f10f8
Solution
Restrict access to engineering interfaces and disable unauthorized application/firmware updates.
  • Disable debug and engineering interfaces.
  • Restrict access to service interfaces.
  • Implement code signing for applications.
  • Enforce signed EEPROM data and firmware.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-15203.

URL Resource
https://assets.danfoss.com/software/latest/572932/ID543724747716-0201.zip
https://assets.danfoss.com/software/latest/595833/ID506542766960-0501.zip
https://assets.danfoss.com/software/latest/595835/ID506543688961-0601.zip
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-15203 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-15203 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-15203 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-15203 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 26, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-15203', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-26T14:55:58.163499Z'}
  • New CVE Received by d7ff35af-cf88-454c-bab9-af60602f10f8

    Aug. 26, 2026

    Action Type Old Value New Value
    Added Description Improper access control in debug and engineering interfaces in Danfoss iC7-Automation SP, iC7-Marine, and iC7-Hybrid GR3 allows attackers to gain read/write access to internal values, upload and execute unsigned applications, and upload unsigned EEPROM data and firmware via exposed service interfaces and software update mechanisms
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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
    Added CWE CWE-1191
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/15xxx/CVE-2026-15203.json">CVE-2026-15203</a>
    Added Reference https://assets.danfoss.com/software/latest/572932/ID543724747716-0201.zip
    Added Reference https://assets.danfoss.com/software/latest/595833/ID506542766960-0501.zip
    Added Reference https://assets.danfoss.com/software/latest/595835/ID506543688961-0601.zip
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.