CVE-2021-23937: Improper Input Validation

May 25, 2021 (updated November 7, 2023)

A DNS proxy and possible amplification attack vulnerability in WebClientInfo of Apache Wicket allows an attacker to trigger arbitrary DNS lookups from the server when the X-Forwarded-For header is not properly sanitized.

References

nvd.nist.gov/vuln/detail/CVE-2021-23937

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