What’s Vulnerable › Vulnerabilities

CVE-2021-31617

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-31 · updated 2026-06-17
• Weakness: CWE-119

Description

In ASQ in Stormshield Network Security (SNS) 1.0.0 through 2.7.8, 2.8.0 through 2.16.0, 3.0.0 through 3.7.20, 3.8.0 through 3.11.8, and 4.0.1 through 4.2.2, mishandling of memory management can lead to remote code execution.

Affected products

• Stormshield Network Security: from 1.0.0 before 2.7.9; from 2.8.0 before 3.7.21; from 3.8.0 before 3.11.9; from 4.0.1 before 4.2.3 — fixed in 2.7.9, 3.11.9, 3.7.21, 4.2.3

How to fix

Upgrade to a fixed version: Stormshield Network Security 2.7.9, 3.11.9, 3.7.21, 4.2.3. Check the vendor advisory for mitigations.

References

• https://advisories.stormshield.eu/
• https://advisories.stormshield.eu/2021-020/
• https://advisories.stormshield.eu/
• https://advisories.stormshield.eu/2021-020/

Get alerted when CVE-2021-31617 or the next vulnerability affects your stack