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CVE-2017-0148: Microsoft SMBv1 Server Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2017-0148
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.
The SMBv1 server in Microsoft allows remote attackers to execute arbitrary code via crafted packets.

CSIRTS triage

vendor: Microsoftproduct: SMBv1 ServerRemote code execution
What
The SMBv1 server allows remote attackers to execute arbitrary code via crafted packets.
Who is affected
Users of Microsoft SMBv1 Server are affected.
Urgency
Immediate action is required due to the critical nature of the remote code execution vulnerability.
Action
Disable SMBv1 and apply the latest security updates.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-04-06
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-0148

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-2017-0148coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft SMBv1 Server

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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