CVE-2021-47664

Enumeration of valid user names

CVSS 5.3 MEDIUMEPSS 0.3%CWE-203

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Apr 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

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References