Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 99.4%; technical severity is CVSS 8.1.
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-2017-0143, CVE-2017-0144, CVE-2017-0145, and CVE-2017-0146.
Who should care
- Teams operating Server Message Block, SMBv1 server, Acuson P300 Firmware +7 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Server Message Block, SMBv1 server, Acuson P300 Firmware +7 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- Apply updates per vendor instructions.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-20
- Affected versions
- Microsoft Server Message Block (Version: 1.0); Microsoft SMBv1 server; Siemens Acuson P300 Firmware (Version: 13.21); Siemens Acuson P500 Firmware (Version: vb10); Siemens Acuson Sc2000 Firmware (Version: 5.0a); Siemens Acuson X700 Firmware (Version: 1.1); Siemens Syngo Sc2000 Firmware (Version: 5.0a); Siemens Tissue Preparation System Firmware
- Published
- 16 March 2017
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 99.4%
- Signal calculated at 86
External references
- Government advisory from www.cisa.gov
- Exploit information from packetstormsecurity.com
- Exploit information from packetstormsecurity.com
- Third-party advisory from www.securityfocus.com
- Third-party advisory from www.securitytracker.com
- Third-party advisory from cert-portal.siemens.com
- Third-party advisory from cert-portal.siemens.com
- Government advisory from ics-cert.us-cert.gov
- Exploit information from www.exploit-db.com
- Exploit information from www.exploit-db.com