Information disclosure in Elastic Apm .Net Agent
CVE-2021-22143
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.1 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (49.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001
Affected products
- Elastic Apm .Net Agent
- Elastic Apm .Net Agent — versions 1.0.0
Weakness classification (CWE)
References
- discuss.elastic.co/t/elastic-apm-net-agent-1-10-0-security-update/274668 (Vendor Advisory)
- www.elastic.co/community/security (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22143?
- CVE-2021-22143 is a low-severity vulnerability in Elastic Apm .Net Agent, classified under Information Disclosure. CVSS score: 2.1/10. Published 2023-11-22.
- How severe is CVE-2021-22143?
- Low severity. CVSS v3 base score is 2.1 out of 10.