CVE-2024-40766
SonicWall SonicOS Improper Access Control Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 30 September 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 18.18% probability · 97th percentile
- CISA KEV
- Listed 9 September 2024 · due 30 September 2024 · used in ransomware campaigns
- Weakness
- CWE-284
- Affected
- sonicwall/sonicos
- Source
- PSIRT@sonicwall.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. 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
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2024-0015Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-40766US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.