Sonicwall SSLVPN - Authentication Bypass (CVE-2024-53704)
6Exploiting IPs reported
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
CrowdSec analysis
CVE-2024-53704 is an Improper Authentication vulnerability in the SSLVPN authentication mechanism that can allow remote attackers to bypass authentication controls.
CrowdSec has been tracking this vulnerability and its exploits since 10th of March 2025.
Based on data from the CrowdSec network, nearly all observed exploitation of CVE-2024-53704 is fully opportunistic, with attackers indiscriminately scanning the entire internet. These attacks are automated and lack any form of target selection or reconnaissance. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2024-53704. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.
Exploitation attempts are identified by requests targeting URLs containing /cgi-bin/sslvpnclient?launchplatform=.
Exploitation
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Protection
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Blocklist
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
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