CVE-2021-47664CWE-203

Enumeration of valid user names

Medium · published April 24, 2025

CVSS v3.1
5.3
EPSS
0%
Percentile
33.9
In the wild
Unconfirmed
What it is

Due to improper authentication mechanism an unauthenticated remote attacker can enumerate valid usernames.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00407 · 33.9th percentile
Weakness
CWE-203 · Observable Discrepancy
Published
2025-04-24T09:25Z
EPSS history
Timeline
  • 24 APR 09:25Z
    Enumeration of valid user names
    cvelistv5