What is CVE-2021-27738?

CVE-2021-27738 is a high-severity vulnerability in Apache Kylin, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2022-01-06.

How severe is CVE-2021-27738?

High severity. CVSS v3 base score is 7.5 out of 10.

SSRF in Apache Kylin

CVE-2021-27738

All request mappings in `StreamingCoordinatorController.java` handling `/kylin/api/streaming_coordinator/*` REST API endpoints did not include any security checks, which allowed an unauthenticated user to issue arbitrary requests, such as…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.026 (83.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Apache Kylin
Apache Software Foundation Kylin — versions Apache Kylin 3

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)
security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27738?: CVE-2021-27738 is a high-severity vulnerability in Apache Kylin, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2022-01-06.
How severe is CVE-2021-27738?: High severity. CVSS v3 base score is 7.5 out of 10.