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Fencer Vulns
medium 6.2

CVE-2024-24766 json

CasaOS Username Enumeration

published 2024-03-06 2 y ago modified 2026-09-10 1 mo ago also GHSA-c967-2652-gfjm , GO-2024-2615 , EUVD-2024-0898

cvss
6.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

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.

Patch / fix

  • go github.com/IceWhaleTech/CasaOS-UserService 0.4.7
  • IceWhaleTech CasaOS-UserService 0.4.7

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/IceWhaleTech/CasaOS-UserService/security/advisories/GHSA-hcw2-2r9c-gc6p referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/IceWhaleTech/CasaOS-UserService
>=0.4.4.3, <0.4.7
>=0.4.4-3-alpha1, <0.4.7
0.4.7

Affected products

  • IceWhaleTech CasaOS-UserService

Classification

Weakness
  • CWE-204 Observable Response Discrepancy
  • CWE-203 Observable Discrepancy

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.