CVEs / CVE-2017-0143
CVE-2017-0143: Microsoft Windows Server Message Block (SMBv1) Remote Code Execution Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- high 8.8 CVSS 3.1 (NVD)
- EPSS 93.3% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows Server Message Block 1.0 (SMBv1) contains an unspecified vulnerability that allows for remote code execution.
Description
The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0144, CVE-2017-0145, CVE-2017-0146, and CVE-2017-0148.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Corporation Windows SMB | The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607 | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|
References
- CVE-2017-0143 on NVD
- CVE-2017-0143 in the CISA KEV catalog
- http://packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/96703 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037991 Broken Link, Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf Third Party Advisory
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02 Third Party Advisory, US Government Resource
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0143 Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41891/ Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41987/ Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/43970/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0143 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.