CVE-2017-0144
HighExploitedPublic exploitEternalBlue — Windows SMBv1 remote code execution (MS17-010)
Published Mar 17, 2017 · Updated Aug 14, 2026 · Also known as Eternal Blue, EternalBlue, MS17-010, WCry, Wanna Cry, WannaCry, WannaCrypt
Key Facts
Patch immediately- CVE-2017-0144 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Server Message Block (Microsoft), Acuson P300 (Siemens), Acuson P500 (Siemens) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 22, 2016 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 99% probability of exploitation in the next 30 days.
- Fixed versions are available, including Acuson Sc2000 Firmware 4.0e, Syngo Sc2000 Firmware 4.0e.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
99%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2017-0144 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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-2017-0143, CVE-2017-0145, CVE-2017-0146, and CVE-2017-0148.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Feb 10, 2022 | Aug 10, 2022 | Known |
| Industry KEV feed | Apr 22, 2016 | Aug 10, 2022 | Known |
| CIRCL KEV | Feb 10, 2022 | Aug 10, 2022 | Known |
| ENISA EUVD | Feb 10, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
40 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Server Message BlockMicrosoft | 1.0 | n/a |
| Acuson P300Siemens | See advisory | n/a |
| Acuson P500Siemens | See advisory | n/a |
| Acuson Sc2000Siemens | See advisory | n/a |
| Acuson X700Siemens | See advisory | n/a |
Patched Releases
Acuson Sc2000 Firmware
4.0e
Syngo Sc2000 Firmware
4.0e
Timeline
Added to Industry KEV feed
Apr 22, 2016
Publicly disclosed
Mar 17, 2017
Added to CISA KEV
Feb 10, 2022
Added to CIRCL KEV
Feb 10, 2022
Added to ENISA EUVD
Feb 10, 2022
Last updated
Aug 14, 2026
References
- advisoryhttps://cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf
- advisoryhttps://cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf
- advisoryhttps://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
- advisory96704
- advisory1037991
FAQ
Common Questions.
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 C…
Affected: Server Message Block (Microsoft) versions 1.0; Acuson P300 (Siemens); Acuson P500 (Siemens), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 22, 2016 and is known to be used in ransomware campaigns.
Yes. It was added on Feb 10, 2022 with a federal remediation due date of Aug 10, 2022.
Public exploit code is available.
Fixed versions are available, including Acuson Sc2000 Firmware 4.0e, Syngo Sc2000 Firmware 4.0e.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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