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CVE-2024-40766: SonicWall SonicOS Improper Access Control Vulnerability

criticalknown exploitedCVE-2024-40766
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: SonicWallproduct: SonicOSAuthentication bypassDenial of service
What
SonicOS has an improper access control vulnerability that may allow unauthorized resource access and could crash the firewall.
Who is affected
Deployments of SonicWall SonicOS that are exposed to the internet.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Update SonicOS to the latest version to address the vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-09-09
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-40766

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-40766coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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