CasaOS Username Enumeration
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-204.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IceWhaleTech | CasaOS-UserService | 0.4.4.3 to before 0.4.7 | 0.4.7 | Patch available | CNA |
| — | github.com/IceWhaleTech/CasaOS-UserService (Go) | 0.4.4.3 to before 0.4.7 | 0.4.7 | Patch available | GHSA-c967-2652-gfjm |
- CasaOS-UserService VendorIceWhaleTech Affected 0.4.4.3 to before 0.4.7 Fixed in 0.4.7 Patch available CNA
- github.com/IceWhaleTech/CasaOS-UserService (Go) Vendor— Affected 0.4.4.3 to before 0.4.7 Fixed in 0.4.7 Patch available GHSA-c967-2652-gfjm
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:icewhale:casaos-userservice:*:*:*:*:*:*:*:* | 0.4.4-3 – 0.4.7 | Vulnerable | IceWhaleTech |
- cpe:2.3:a:icewhale:casaos-userservice:*:*:*:*:*:*:*:* Versions 0.4.4-3 – 0.4.7 Vulnerable ·IceWhaleTech
Remediation
- Fix · CNA CasaOS-UserService (IceWhaleTech) Fixed in 0.4.7
- Fix · GHSA-c967-2652-gfjm github.com/IceWhaleTech/CasaOS-UserService (Go) Fixed in 0.4.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-24766
- 2026-10-03 Alias added: GHSA-c967-2652-gfjm
References
Patch 1
Advisory 2
More IceWhaleTech Casaos-userservice vulnerabilities
- TI-2024-18791 Username Enumeration in CasaOS via bypass of CVE-2024-24766 CVSS 3.1HIGH 7.5
Sources
- CVE-2024-24766 · CVE Program
- CVE-2024-24766 · NVD
- FIRST EPSS
- GHSA-c967-2652-gfjm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences