CVE-2021-22143: Exposure of Sensitive Information in Elastic APM .NET Agent

November 22, 2023

The Elastic APM .NET Agent can leak sensitive HTTP header information when logging the details during an application error. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application error it is possible the headers will not be sanitized before being sent.

References

discuss.elastic.co/t/elastic-apm-net-agent-1-10-0-security-update/274668
github.com/advisories/GHSA-hx93-gc73-5rpr
nvd.nist.gov/vuln/detail/CVE-2021-22143
www.elastic.co/community/security

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