CVE-2021-47664

low-risk
Published 2025-04-24

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

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

References (1)

https://www.sciencedirect.com/science/article/pii/S2351978921001657
26
/ 100
low-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal