#VU49589 Improper access control in Apache Kylin - CVE-2020-13937

Vulnerability identifier: #VU49589

Vulnerability risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-13937

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache Kylin
Server applications / Database software

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions to the "/kylin/api/admin/config" API endpoint. A remote non-authenticated attacker can request the URL and obtain sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Kylin: 2.0.0, 2.1.0, 2.2.0, 2.3.0 - 2.3.2, 2.4.0 - 2.4.1, 2.5.0 - 2.5.2, 2.6.0 - 2.6.6, 3.0.0 - 3.0.2, 3.1.0

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External links
https://lists.apache.org/thread.html/rc592e0dcee5a2615f1d9522af30ef1822c1f863d5e05e7da9d1e57f4%40%3Cuser.kylin.apache.org%3E

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.