CVE-2017-0145: Microsoft SMBv1 Remote Code Execution Vulnerability
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 multiple Microsoft Windows versions allows remote attackers to execute arbitrary code via crafted packets.
CSIRTS triage
- What
- The SMBv1 server allows remote attackers to execute arbitrary code via crafted packets.
- Who is affected
- Multiple versions of Microsoft Windows with SMBv1 enabled are affected.
- Urgency
- Remediation is urgent due to the critical nature of the vulnerability and its exploitation status.
- Action
- Disable SMBv1 and apply the latest security updates.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-0145
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.
- Exploitation confirmedCVE-2017-0145Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2017-0145 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Microsoft SMBv1 Remote
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.
- criticalexploitedCVE-2017-0148: Microsoft SMBv1 Server Remote Code Execution Vulnerabilitycisa-kev · 2022-04-06
- criticalexploitedCVE-2017-0144: Microsoft SMBv1 Remote Code Execution Vulnerabilitycisa-kev · 2022-02-10
- criticalexploitedCVE-2017-0143: Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerabilitycisa-kev · 2021-11-03
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