Vulnerability record

CVE-2024-40766

SonicWall SonicOS Improper Access Control Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV Used by ransomware
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run SonicWall firewalls & SMA, fix it now.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by Sep 30, 2024.

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.

Description

An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash. This issue affects SonicWall Firewall Gen 5 and Gen 6 devices, as well as Gen 7 devices running SonicOS 7.0.1-5035 and older versions.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
SonicWall firewalls & SMASonicWall< 5.9.2.14-13o; < 6.5.2.8-2n; < 6.5.4.15.116n; <= 7.0.1-50355.9.2.14-13o; 6.5.2.8-2n; 6.5.4.15.116nKEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2024-40766 scored CVSS 9.8: SonicWall SonicOS, SonicWall SonicOS Improper Access Control Vulnerability

    CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched SonicOS systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • psirt.global.sonicwall.com https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0015
  • sonicwall.com https://www.sonicwall.com/support/notices/gen-7-and-newer-sonicwall-firewalls-sslvpn-recent-threat-activity/kA…
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2024-40766
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40766