Improper Signature Verification of Firmware Update Files
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stormshield | Stormshield Network Security | unknown |
|
No data.
No data.
| Vendor | Product | Versions | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Stormshield | Stormshield Network Security |
|
Vendor Solution
The following updates will fix this vulnerability: * SNS 5.1.4 EA * SNS 5.0.10 * SNS 4.8.20 LTSB
Vendor Workaround
If applicable, verify the SHA-256 hash of each update file. The reference hashes are available in the MyStormshield portal
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.165% probability within 30 days)
| Link | Providers |
|---|---|
| https://advisories.stormshield.eu/2026-031/ |
|
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Stormshield
Stormshield stormshield Network Security |
|
| Vendors & Products |
Stormshield
Stormshield stormshield Network Security |
| 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
|