Improper Signature Verification of Active Update Files
Summary
| CVE | CVE-2026-113469 |
|---|---|
| State | PUBLISHED |
| Assigner | airbus |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-20 09:17:09 UTC |
| Updated | 2026-10-20 19:35:23 UTC |
| Description | A failure has been identified in the SNS during dynamic data files signature check. A logic error in the signature verification routine resulting in acceptance of unauthenticated dynamic data update during Autoupdate routine. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.001550000 probability, percentile 0.042220000 (date 2026-10-20)
Problem Types: CWE-287 | CWE-287 CWE-287: Improper Authentication
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 7.5 | HIGH | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
AdjacentAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Stormshield | Stormshield Network Security | affected 4.3.0 4.3.44 semver | Not specified |
| CNA | Stormshield | Stormshield Network Security | affected 4.8.0 4.8.19 semver | Not specified |
| CNA | Stormshield | Stormshield Network Security | affected 5.0.0 5.0.9 semver | Not specified |
| CNA | Stormshield | Stormshield Network Security | affected 5.1.0 5.1.3 semver | Not specified |
| CNA | Stormshield | Stormshield Network Security | unaffected 4.8.20 LTSB semver | Not specified |
| CNA | Stormshield | Stormshield Network Security | unaffected 5.0.10 semver | Not specified |
| CNA | Stormshield | Stormshield Network Security | unaffected 5.1.4 EA | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| advisories.stormshield.eu/2026-032 | [email protected] | advisories.stormshield.eu | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: The following updates will fix this vulnerability: * SNS 5.1.4 EA * SNS 5.0.10 * SNS 4.8.20 LTSB
Workarounds
CNA: * Use only official Stormshield update servers or SMC mirror servers, if configured, ensuring that HTTPS is enabled. * If you use custom update servers, ensure that HTTPS is enabled and verify that the SHA-256 hashes of the files hosted on your servers match those obtained from the official Stormshield update servers.
There are currently no legacy QID mappings associated with this CVE.