CVE-2021-20042
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Sonicwall Sma 200 Firmware
PublishedDec 8, 2021
First seenDec 8, 2021
Weakness typeCWE-441CWE-441
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sonicwall sma_200_firmware | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv | — |
| sonicwall sma_210_firmware | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv | — |
| sonicwall sma_410_firmware | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv | — |
| sonicwall sma_400_firmware | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv | — |
| sonicwall sma_500v_firmware | 9.0.0.11-31sv, 10.2.0.8-37sv, 10.2.1.1-19sv | — |
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