September 6, 2024 at 01:27PM
SonicWall disclosed an actively exploited security flaw in SonicOS, urging immediate patching. The vulnerability (CVE-2024-40766) affects management access and SSLVPN, with potential unauthorized access and firewall crashes. Temporary solutions include restricting firewall management and implementing multi-factor authentication. The flaw’s exploitation in the wild has led to urgent patch recommendations for affected products.
Key Takeaways from Meeting Notes:
1. SonicWall has disclosed a critical security vulnerability, CVE-2024-40766, which affects SonicOS and the firewall’s SSLVPN feature. This flaw may lead to unauthorized resource access and firewall crashes.
2. The vulnerability carries a CVSS score of 9.3 and has been identified as potentially actively exploited in the wild.
3. It is crucial for users to apply the patches for affected products (mentioned versions) as soon as possible.
4. Temporary mitigation measures include restricting firewall management to trusted sources, disabling firewall WAN management from internet access, and limiting SSLVPN access to trusted sources or disabling internet access altogether.
5. Additional mitigations involve enabling multi-factor authentication for SSLVPN users and recommending immediate password updates for locally managed accounts on GEN5 and GEN6 firewalls.
6. There is a mention of Chinese threat actors exploiting unpatched SonicWall Secure Mobile Access (SMA) 100 appliances in the past, indicating potential risks associated with unpatched vulnerabilities.
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