CVEvulnerability

CVE-2024-40766

9.8 CRITICAL Known exploited Published 2024-08-23 Modified 2026-09-21 Official page ↗

CISA Known Exploited Vulnerability

SonicWall SonicOS Improper Access Control Vulnerability — SonicWall SonicOS

SonicWall SonicOS contains an improper access control vulnerability that could lead to unauthorized resource access and, under certain conditions, may cause the firewall to crash.

Added to KEV: 2024-09-09
Remediation due: 2024-09-30
Ransomware use: Known
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0015; https://www.sonicwall.com/support/notices/gen-7-and-newer-sonicwall-firewalls-sslvpn-recent-threat-activity/kA1VN0000000RDG0A2 ; https://nvd.nist.gov/vuln/detail/CVE-2024-40766

Status: Analyzed
Published: 2024-08-23
Last modified: 2026-09-21
Assigner: [email protected]
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 9.3 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Weaknesses: CWE-284

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.

Affected configurations

• sonicwall sonicos (< 5.9.2.14-13o) • sonicwall sonicos (< 6.5.2.8-2n) • sonicwall sonicos (< 6.5.4.15.116n) • sonicwall sonicos (<= 7.0.1-5035)

Weakness · CWE (1)

CWE-284 Improper Access Control weakness

References