CVE-2017-0144: Microsoft Windows SMB Remote Code Execution (EternalBlue)
Summary
The SMBv1 server in Microsoft Windows Vista SP2 through Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka Windows SMB Remote Code Execution Vulnerability. This flaw was widely exploited by the WannaCry ransomware worm.
Why It Matters
CRITICAL severity — known to be exploited in the wild(CISA KEV);action required: Apply updates per vendor instructions.;affects Windows.
Current Status
- Vulnerability status: Known exploited (CISA KEV)
- Last intelligence update: 2024-07-29 · source: NVD
- CISA KEV added: 2022-02-10 · remediation deadline: 2022-08-10
Entity Activity Timeline
- 2022-02-10 — Added to CISA KEV as known-exploited · action: Apply updates per vendor instructions.
- 2017-03-14 — NVD publication / disclosure
- 2024-07-29 — Intelligence record updated(NVD sync)
Severity
CRITICAL
CVSS Score: 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited (CISA KEV)
Known Exploited Vulnerability
Added: 2022-02-10 · Remediation deadline: 2022-08-10
Apply updates per vendor instructions.
Source Attribution
Source: NVD · Updated: 2024-07-29T16:45:00.000 · Confidence: high
Impact
Based on CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
- Windows (Microsoft) Affected:
Vista SP2 - Server 2016Fix:MS17-010
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.
Sources & Evidence
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