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CVE-2024-40766VulnerabilityAdded to KEV 09/09/2024

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

Affects SonicWall SonicOSSource CISA KEV

0

Exploited in the wild · used in ransomware campaigns · KEV due 30 Sep 2024 · 18% EPSS : apply the vendor's fix or mitigations to SonicWall SonicOS now.

Data as of 10/24/2026, 22:16:00 UTC

CVSS 3.1 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
Exploitation

Actively exploited – in CISA KEV since 09/09/2024

KEV deadline
09/30/2024 US federal agencies must patch by this date; a sensible deadline for everyone else.
Ransomware
Used in ransomware campaigns
EPSS
18.3% chance of exploitation in 30 days – higher than 97% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

What to do

Check the firmware or software version for SonicWall SonicOS in the device's admin interface against the vendor advisory.

Description

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.

Weaknesses

References

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