CVE-2026-111090Improper Signature Verification of Firmware Update Files
Updated under an hour ago ()
Does this affect you?
It affects Stormshield Network Security. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.12%, higher than 2% of scored CVEs.
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.12% (percentile 2)
- Assigned by
- airbus
- NVD analysis
- Deferred
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
Stormshield Stormshield Network Security stormshield:network_security (from the name) | from 4.3.0 through 4.3.44; from 4.8.0 through 4.8.19; from 5.0.0 through 5.0.9; from 5.1.0 through 5.1.3; 4.8.20 LTSB not affected; 5.0.10 not affected; 5.1.4 EA not affected; 4.3.45 QS not affected | CNA record |
References
- https://advisories.stormshield.eu/2026-031/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.