A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition.
An unauthenticated remote attacker could exploit this race condition to bypass intended security controls.
This may result in the execution of unauthorized code.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Sauter modu680-AS unaffected
Version Status Constraints
1.0.0 affected < 4.0.0
Sauter modu660-AS unaffected
Version Status Constraints
1.0.0 affected < 4.0.0
Sauter modu612-LC unaffected
Version Status Constraints
1.0.0 affected < 4.0.0
Sauter ecos504 unaffected
Version Status Constraints
1.0.0 affected < 7.0.0
Sauter ecos505 unaffected
Version Status Constraints
1.0.0 affected < 7.0.0

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
Sauter Subscribe
Ecos504 Subscribe
Ecos505 Subscribe
Modu612 Lc Subscribe
Modu660 As Subscribe
Modu680 As Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sauter.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2026-093.json cve-icon cve-icon
https://www.certvde.com/en/advisories/VDE-2026-093/ cve-icon cve-icon
History

Tue, 01 Sep 2026 07:00:00 +0000

Type Values Removed Values Added
Description A service running on the affected products contains a potential Time-of-Check Time-of-Use (TOCTOU) race condition. An unauthenticated remote attacker could exploit this race condition to bypass intended security controls. This may result in the execution of unauthorized code.
Title TOCTOU Vulnerability in file exchange
First Time appeared Sauter
Sauter ecos504
Sauter ecos505
Sauter modu612 Lc
Sauter modu660 As
Sauter modu680 As
Weaknesses CWE-367
CPEs cpe:2.3:h:sauter:ecos504:*:*:*:*:*:*:*:*
cpe:2.3:h:sauter:ecos505:*:*:*:*:*:*:*:*
cpe:2.3:h:sauter:modu612_lc:*:*:*:*:*:*:*:*
cpe:2.3:h:sauter:modu660_as:*:*:*:*:*:*:*:*
cpe:2.3:h:sauter:modu680_as:*:*:*:*:*:*:*:*
Vendors & Products Sauter
Sauter ecos504
Sauter ecos505
Sauter modu612 Lc
Sauter modu660 As
Sauter modu680 As
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2026-09-01T06:45:23.493Z

Reserved: 2026-08-24T08:38:06.052Z

Link: CVE-2026-78319

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-01T07:16:36.523

Modified: 2026-09-01T07:16:36.523

Link: CVE-2026-78319

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-01T08:30:03Z

Weaknesses