Auth bypass in Stormshield Network Security

CVE-2021-31814

In Stormshield 1.1.0, and 2.1.0 through 2.9.0, an attacker can block a client from accessing the VPN and can obtain sensitive information through the SN VPN SSL Client.

Vulnerability class: Broken Authentication

EPSS: 0.002 (10.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-31814?
CVE-2021-31814 is a medium-severity vulnerability in Stormshield Network Security, classified under Missing Authentication for Critical Function. CVSS score: 6.1/10. Published 2022-02-10.
How severe is CVE-2021-31814?
Medium severity. CVSS v3 base score is 6.1 out of 10.