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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since November 3, 2021.

Known ransomware use

CVE-2017-0143

Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability

Microsoft · Windows

Added to KEV November 3, 2021

Alert details

Source feed
CISA KEV
CVE ID
CVE-2017-0143
CWE
CWE-20
Affected products
Windows · Microsoft Windows · Microsoft

What happened

Microsoft Windows Server Message Block 1.0 (SMBv1) contains an unspecified vulnerability that allows for remote code execution.

What it means for your business

Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2017-0143). Microsoft Windows Server Message Block 1.0 (SMBv1) contains an unspecified vulnerability that allows for remote code execution. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: May 3, 2022

Sources

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