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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since January 28, 2022.

Known ransomware use

CVE-2021-20038

SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability

SonicWall · SMA 100 Appliances

Added to KEV January 28, 2022

Alert details

Source feed
CISA KEV
CVE ID
CVE-2021-20038
CWE
CWE-121
Affected products
SMA 100 Appliances · SonicWall SMA 100 Appliances · SonicWall

What happened

SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution.

What it means for your business

SonicWall SMA 100 Appliances is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-20038). SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution. CISA remediation due date: 2022-02-11. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: February 11, 2022

Sources

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