CVE-2024-40766

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.184 · 97 %ileDEEUNLRUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV
Likely / severe?
18.4% (97th) EPSS
CVSS 9.8 · critical
Is it mine?
25 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2024-09-09remediate by 2024-09-30

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

EPSS · scored 2026-10-24

SonicWall SonicOS Improper Access Control Vulnerability

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.9
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.19.9criticalAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:Lsecondary · FSTEC (BDU) RU
v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Lsecondary · ENISA EU
v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Lsecondaryexploitability 3.9 · impact 4.7
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:Lsecondary · NCSC-NL NL
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284USCWE-284US
04

affected products (25)

Products and version ranges known to be affected.

showing 20 of 25
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • NCSC-2024-0353Kwetsbaarheid verholpen in Sonicwall SonicOSNL2024-08-27csaf · ncsc_nlNL

    Sonicwall heeft een kwetsbaarheid verholpen in SonicOS voor Gen5, Gen6 en Gen7 firewalls.

  • WID-SEC-W-2024-1906SonicWall SonicOS: Schwachstelle ermöglicht Offenlegung von Informationen und Denial of ServiceDeutsch2024-08-22csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in SonicWall SonicOS ausnutzen, um Informationen offenzulegen und um einen Denial of Service Angriff durchzuführen.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundncsc_nlNVDCVE.orgMITRE
published 2024-08-23modified 2026-09-21
08

references (5)

External citations — patches, advisories, analysis.

scry

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