CVE-2021-20019

moderate-risk
Published 2021-06-23

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.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (5)

Affected Vendors

Sonicwall

References (2)

Vendor Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006
Vendor Advisory https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0006
41
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 12/34 · Low