CVE-2024-40766: SonicWall SonicOS Improper Access Control Vulnerability

CVE-2024-40766 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2024-09-09

An improper access control vulnerability in SonicWall SonicOS management access allows unauthenticated attackers to gain unauthorized resource access. Under specific conditions, the vulnerability can also be exploited to cause a denial-of-service condition by crashing the firewall.

Technologies: SonicWall SonicOS. Vendors: SonicWall.

Quick answers

Is CVE-2024-40766 exploited in the wild?
Yes. CVE-2024-40766 is known to be exploited in the wild, first recorded on 9 September 2024. Treat it as urgent.
How severe is CVE-2024-40766?
Critical severity, with a CVSS score of 9.8, published 9 September 2024.
Which products and versions are affected?
SonicWall SonicOS Gen 5 devices; Gen 6 devices; Gen 7 devices running 7.0.1-5035 and older.
Is there a fix for CVE-2024-40766?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2024-40766 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2024-40766?
Check whether you run SonicWall SonicOS. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • SonicWall SonicOS Gen 5 devices; Gen 6 devices; Gen 7 devices running 7.0.1-5035 and older

Timeline

  • 2024-09-09: disclosed
  • 2024-09-09: kev added: Added to CISA Known Exploited Vulnerabilities (KEV) catalog.
  • 2024-09-09: exploited: Reported as exploited in the wild.

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