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CVE record · CVE-2024-40766

Improper access control in SonicWall SonicOS

CVSS 9.3 CriticalCriticalIn CISA KEV · ransomwareEPSS 0.18 · 97th percentile

Critical, because:

  • In CISA’s KEV catalogue since 9 Sept 2024: it is known to be exploited.
  • CVSS score 9.3: 9.0 or more.
  • CVSS score 9.3 (7.0 or more) and EPSS 0.18 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the CVE Program (CNA: sonicwall) at 23 Aug 2024, 06:19 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
SonicWall SonicOS
  • affected 5.9.2.14-12o and older versions
  • affected 6.5.4.14-109n and older versions
  • affected 7.0.1-5035 and older versions
Other versions: unknown
Identifiers
CVE-2024-40766
CNA
sonicwall
Weakness (CWE)
CWE-284
Tags
Published
23 Aug 2024
Updated
21 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.3 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L ADP (CISA-ADP)
  • CISA KEV Listed since 9 Sept 2024: known to be exploited. CISA reports use in ransomware campaigns.
  • EPSS 0.18, the 97th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 23 Aug 2024. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.