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CVE-2024-40766 CISA KEV · Actively exploitedSuited to automated attack · CISA

Improper access control in SonicWall SonicOS

CVSS score

9.3

EPSS probability

%18.4

Risk score

3.4

Published

2 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Mitigation available

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

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2024-40766 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

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.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2024-40766 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1sonicwallSonicOS View
2sonicwallSonicOS View
3sonicwallsoho View
4sonicwallSonicOS View
5sonicwallnssp 12400 View
6sonicwallnssp 12800 View
7sonicwallsm9800 View
8sonicwallSonicOS View
9sonicwallnsa 2650 View
10sonicwallnsa 3600 View
11sonicwallnsa 3650 View
12sonicwallnsa 4600 View
13sonicwallnsa 4650 View
14sonicwallnsa 5600 View
15sonicwallnsa 5650 View
16sonicwallnsa 6600 View
17sonicwallnsa 6650 View
18sonicwallsm 9200 View
19sonicwallsm 9250 View
20sonicwallsm 9400 View
21sonicwallsm 9450 View
22sonicwallsm 9600 View
23sonicwallsm 9650 View
24sonicwallsoho 250 View
25sonicwallsoho 250w View
26sonicwallsohow View
27sonicwalltz 300 View
28sonicwalltz 300p View
29sonicwalltz 300w View
30sonicwalltz 350 View
31sonicwalltz 350w View
32sonicwalltz 400 View
33sonicwalltz 400w View
34sonicwalltz 500 View
35sonicwalltz 500w View
36sonicwalltz 600 View
37sonicwalltz 600p View
38sonicwallSonicOS View
39sonicwallnsa 2700 View
40sonicwallnsa 3700 View
41sonicwallnsa 4700 View
42sonicwallnsa 5700 View
43sonicwallnsa 6700 View
44sonicwallnssp 10700 View
45sonicwallnssp 11700 View
46sonicwallnssp 13700 View
47sonicwalltz270 View
48sonicwalltz270w View
49sonicwalltz370 View
50sonicwalltz370w View
51sonicwalltz470 View
52sonicwalltz470w View
53sonicwalltz570 View
54sonicwalltz570p View
55sonicwalltz570w View
56sonicwalltz670 View
57sonicwallSonicOS View
Total affected vendors: 1|Products: 57

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
9.8CVSS V31CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD
9.3CVSS V31CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:LNVD
9.3CVSS V3_1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:LCVE ADP

Patch and Remediation Guide

Solution & Remediation Advisory

Workaround

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

canonical

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

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

This CVE is marked as actively exploited in the CISA KEV catalogue, but no verified, downloadable public PoC or Metasploit module has been found yet. Evidence of active exploitation does not mean that public exploit code exists.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-40766 is associated with the following CWEs:

CWE-284: Common Weakness Enumeration Entry CWE-284

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-40766 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0015vendor-advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40766nvdCISA Known Exploited Vulnerabilities Catalogkev

CVSS Vector Radar Chart

9.3 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityLow

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)Low

Geçici çözüm

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

Follow the vendor

S
sonicwall logo
sonicwall

Weakness Type (CWE & CAPEC)

CWE-284

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