www.belgium.be Logo of the federal government

Warning: High-Severity Vulnerability Affects Sonicwall

Referentie: 
Advisory #2024-23
Versie: 
1.0
Geïmpacteerde software: 
SonicWall SonicOS 7.1.1-7040
Type: 
Authentication bypass
CVE/CVSS: 

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)

Bronnen

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0003

Risico’s

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.

Beschrijving

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.

Aanbevolen acties

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.

Referenties

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/