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CVE-2021-20019

High

Description

A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability.

SeverityHigh
CVSS7.5
Exploit probability—
ProductSonicwall Sonicos
PublishedJun 23, 2021
First seenJun 23, 2021
Weakness typeCWE-200Sensitive information exposure

How to fix

Update
  • sonicwall sonicos7.0.0.376, 7.0.1-r1036 or later

Affected products

ProductAffected versionsFixed in
sonicwall sonicos7.0.0 ≤ v < 7.0.0.376, 7.0.1 ≤ v < 7.0.1-r1036, 6.0.5.3-94o, 6.5.1.12-3n, 6.5.4.7-83n7.0.0.376, 7.0.1-r1036
sonicwall sonicosv6.5.4.4-44v-21-955—

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