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CVE-2026-111090 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://advisories.stormshield.eu/2026-031/	[email protected]	AdvisoryRemedyVendor

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-287	Improper Authentication	[email protected]

Affected Products

Product	Versions
Stormshield Network Security	>= 5.1.0, <= 5.1.3 (semver) >= 5.0.0, <= 5.0.9 (semver) >= 4.8.0, <= 4.8.19 (semver) >= 4.3.0, <= 4.3.44 (semver)
CPE cpe:2.3:a:stormshield:stormshield_network_security:::::::: Remediation Upgrade: 5.1.4 EAmoderate effort Upgrade: 5.0.10moderate effort Upgrade: 4.8.20 LTSBmoderate effort Upgrade: 4.3.45 QSmoderate effort Workaround:low effort Verify the SHA-256 hash of each update file. The reference hashes are available in the MyStormshield portal.

Change History

3 change records found show changes

Date	Action	Recorded By
Oct 20, 2026	CVE Modified	[email protected]
Oct 20, 2026	CVE Modified	CISA-ADP
Oct 20, 2026	New CVE Received	[email protected]