CVE-2026-111090
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-10-20 08:16:42.373000
Last modified
2026-10-20 19:35:23.397000
View original CVE JSON
{
"id": "CVE-2026-111090",
"sourceIdentifier": "[email protected]",
"published": "2026-10-20T08:16:42.373",
"lastModified": "2026-10-20T19:35:23.397",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Stormshield",
"product": "Stormshield Network Security",
"defaultStatus": "unknown",
"versions": [
{
"version": "4.3.0",
"lessThanOrEqual": "4.3.44",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.8.0",
"lessThanOrEqual": "4.8.19",
"versionType": "semver",
"status": "affected"
},
{
"version": "5.0.0",
"lessThanOrEqual": "5.0.9",
"versionType": "semver",
"status": "affected"
},
{
"version": "5.1.0",
"lessThanOrEqual": "5.1.3",
"versionType": "semver",
"status": "affected"
},
{
"version": "4.8.20 LTSB",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.0.10",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "5.1.4 EA",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "4.3.45 QS",
"versionType": "semver",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-10-20T19:13:30.536198Z",
"id": "CVE-2026-111090",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"references": [
{
"url": "https://advisories.stormshield.eu/2026-031/",
"source": "[email protected]"
}
]
}