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Vulnerability record · CVE-2021-31617 · published 31 January 2022

CVE-2021-31617: Stormshield network security memory buffer overflow vulnerability

Stormshield · Stormshield Network Security

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.

9.8 CVSS 3.1 Critical EPSS 2.1% · top 19.2% CWE-119 · Memory buffer overflow
9.8CVSS 3.1 base score, v2 7.5
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://advisories.stormshield.eu/ Vendor Advisory
https://advisories.stormshield.eu/2021-020/ Vendor Advisory
https://advisories.stormshield.eu/ Vendor Advisory
https://advisories.stormshield.eu/2021-020/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-31617), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.