CVE-2017-0144
The SMBv1 server in multiple Microsoft Windows versions allows remote attackers to execute arbitrary code via crafted packets.
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-2017-0145, CVE-2017-0146, and CVE-2017-0148.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- packetstormsecurity.com/files/154690/DOUBLEPULSAR-Payload-Execution-Neutralization.htmlExploitThird Party Advisory
- packetstormsecurity.com/files/156196/SMB-DOUBLEPULSAR-Remote-Code-Execution.htmlExploitThird Party Advisory
- securityfocus.com/bid/96704Broken LinkThird Party Advisory
- securitytracker.com/id/1037991Broken LinkThird Party Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-701903.pdfThird Party Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-966341.pdfThird Party Advisory
- ics-cert.us-cert.gov/advisories/ICSMA-18-058-02Third Party AdvisoryUS Government Resource
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0144PatchVendor Advisory
- exploit-db.com/exploits/41891/ExploitThird Party Advisory
- exploit-db.com/exploits/41987/ExploitThird Party Advisory
- exploit-db.com/exploits/42030/ExploitThird Party Advisory
- exploit-db.com/exploits/42031/ExploitThird Party Advisory
Actively exploited and used by ransomware crews. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1538 days
- Ransomware
- Used in known ransomware campaigns
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 99.2% · top 1% of all CVEs
- Weakness
- NVD-CWE-noinfo
- Attack vector
- Network, remotely reachable
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
- 5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.