Vulnerability · Published Jan 6, 2022 · Assigned by apache

CVE-2021-27738Improper Access Control to Streaming Coordinator & SSRF

High 7.5

In plain English

A high-severity server-side request forgery in Apache Kylin from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High

Exploit odds (30 days)2.6%top 14.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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 assigning/unassigning of streaming cubes, creation/modification and deletion of replica sets, to the Kylin Coordinator. For endpoints accepting node details in HTTP message body, unauthenticated (but limited) server-side request forgery (SSRF) can be achieved. This issue affects Apache Kylin Apache Kylin 3 versions prior to 3.1.2.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.apache.kylin:kylin	3.1.3	GHSA-wrx7-qgmj-mf2q

Affected products (as reported)

Vendor	Product	Versions
Apache Software Foundation	Apache Kylin	Apache Kylin 3 – before 3.1.2

Weakness: CWE-918

References

https://lists.apache.org/thread/vkohh0to2vzwymyb2x13fszs3cs3vd70 x_refsource_MISC
[oss-security] 20220106 CVE-2021-27738: Apache Kylin: Improper Access Control to Streaming Coordinator & SSRF mailing-list, x_refsource_MLIST