A logic error exists in the signature verification routine resulting in acceptance of unauthenticated update and license files.It is necessary to use only the MyStormshield servers to retrieve update files or licenses, or to use automatic verification via SNS.
Advisories

No advisories yet.

Fixes

Solution

The following updates will fix this vulnerability: * SNS 5.1.4 EA * SNS 5.0.10 * SNS 4.8.20 LTSB


Workaround

If applicable, verify the SHA-256 hash of each update file. The reference hashes are available in the MyStormshield portal

History

Tue, 20 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Stormshield
Stormshield stormshield Network Security
Vendors & Products Stormshield
Stormshield stormshield Network Security

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description A logic error exists in the signature verification routine resulting in acceptance of unauthenticated update and license files.It is necessary to use only the MyStormshield servers to retrieve update files or licenses, or to use automatic verification via SNS.
Title Improper Signature Verification of Firmware Update Files
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: airbus

Published:

Updated: 2026-10-20T07:42:53.842Z

Reserved: 2026-10-15T15:01:46.698Z

Link: CVE-2026-111090

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T08:16:42.373

Modified: 2026-10-20T08:16:42.373

Link: CVE-2026-111090

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T15:45:15Z

Weaknesses