A vulnerability has been identified in LOGO! Soft Comfort (All versions < V9). Affected products use a static, hardcoded AES master key to encrypt project files. This could allow a local attacker to extract the master key from the application files or memory and use it to decrypt project files or remove project passwords entirely without knowing the actual user-defined password.

Project Subscriptions

Vendors Products
Siemens Subscribe
Logo! Soft Comfort Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 12 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
First Time appeared Siemens
Siemens logo! Soft Comfort
Vendors & Products Siemens
Siemens logo! Soft Comfort

Wed, 12 Aug 2026 00:00:00 +0000

Type Values Removed Values Added
Title Hardcoded Master Key Enables Local Decryption of LOGO! Soft Comfort Project Files

Tue, 11 Aug 2026 12:45:00 +0000

Type Values Removed Values Added
Description A vulnerability has been identified in LOGO! Soft Comfort (All versions < V9). Affected products use a static, hardcoded AES master key to encrypt project files. This could allow a local attacker to extract the master key from the application files or memory and use it to decrypt project files or remove project passwords entirely without knowing the actual user-defined password.
Weaknesses CWE-321
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: siemens

Published:

Updated: 2026-08-11T12:20:21.896Z

Reserved: 2026-06-24T04:43:34.162Z

Link: CVE-2026-57262

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-11T13:18:59.463

Modified: 2026-08-11T13:18:59.463

Link: CVE-2026-57262

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-12T00:00:03Z

Weaknesses