Warning: High-Severity Vulnerability Affects Sonicwall
CVE-2024-22394 CVSS 8.6 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N)
Sources
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0003
Risks
SonicWall has released a security patch to address a high-severity vulnerability that is affecting SonicOS.
The vulnerability has a low attack complexity, does not require user interaction, and has a HIGH impact on Confidentiality.
Description
CVE-2024-22394: Authentication Bypass
An improper authentication vulnerability in SonicWall SonicOS SSL-VPN feature allows a remote attacker to bypass authentication and access the system.
Recommended Actions
Patch
The Centre for Cybersecurity Belgium strongly recommends installing updates for vulnerable devices with the highest priority, after thorough testing.
Monitor/Detect
The CCB recommends organizations upscale monitoring and detection capabilities to identify any related suspicious activity, ensuring a swift response in case of an intrusion.
In case of an intrusion, you can report an incident via: https://cert.be/en/report-incident
While patching appliances or software to the newest version may provide safety from future exploitation, it does not remediate historic compromise.
References
https://securityonline.info/cve-2024-22394-exposed-sonicwall-ssl-vpns-authentication-flaw/
https://nvd.nist.gov/vuln/detail/CVE-2024-22394
https://www.sonicwall.com/support/knowledge-base/how-can-i-upgrade-sonicos-firmware/170504337655458/