Feed/CVE-2021-20042
CVE-2021-20042CRITICALCVSS 9.8

CVE-2021-20042

Published Dec 8, 2021·Updated Jun 16, 2026

NVD Description

An unauthenticated remote attacker can use SMA 100 as an unintended proxy or intermediary undetectable proxy to bypass firewall rules. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.

CVSS Vector

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

References

View on NVD Search GitHub Search Google

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