Improper Signature Verification of Active Update Files (Stormshield Stormshield Network Security)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.20 % · percentile 9 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- airbus
- NVD status
- Deferred
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.
Weaknesses (CWE)
- CWE-287 — Improper Authentication
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | airbus |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · cert@airbus.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-104841
- GCVE · GCVE-0-2026-113469
Affected products
| Product | Versions |
|---|---|
| Stormshield · Stormshield Network Security | affected 4.3.0 ≤ 4.3.44 ; affected 4.8.0 ≤ 4.8.19 ; affected 5.0.0 ≤ 5.0.9 ; affected 5.1.0 ≤ 5.1.3 ; unaffected 4.8.20 LTSB ; unaffected 5.0.10 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |