Flooding SNS firewall versions 3.7.0 to 3.7.29, 3.11.0 to 3.11.17, 4.2.0 to 4.2.10, and 4.3.0 to 4.3.6 with specific forged traffic, can lead to SNS DoS.
Conclusion & alert: CVE-2022-27812 is rated Moderate Risk (46.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.66%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-24 | 0.63% | 0.66% | +0.02% |
| 2 | 2026-06-15 | 0.39% | 0.63% | +0.24% |
| 3 | 2025-09-27 | — | 0.39% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| stormshield | stormshield_network_security | >= 3.7.0, < 3.7.30 | cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* |
| stormshield | stormshield_network_security | >= 3.11.0, < 3.11.18 | cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* |
| stormshield | stormshield_network_security | >= 4.2.0, < 4.2.11 | cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* |
| stormshield | stormshield_network_security | >= 4.3.0, < 4.3.7 | cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://advisories.stormshield.eu/2022-009/ | Vendor Advisory |