8.2
High
CVE-2024-53704 SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware campaigns
Known to be used
Weakness
CWE-287
Description
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
Affected products and versions
Other CVEs of SonicOS
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5.9
Medium
CVE-2026-19868
SonicWall SonicOS SSLVPN Use of Single-factor Authentication Vulnerability
7.5
High