CVE-2020-13925 Command Injection in Kylin

What is CVE-2020-13925?

CVE-2020-13925 is a critical command injection vulnerability in Apache Kylin, published on 14 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Similar to CVE-2020-1956, Kylin has one more restful API which concatenates the API inputs into OS commands and then executes them on the server; while the reported API misses necessary input validation, which causes the hackers to have the possibility to execute OS command remotely. Users of all previous versions after 2.3 should upgrade to 3.1.0.

Weakness: CWE-78

Which versions are affected by CVE-2020-13925?

2 open source packages ship an affected version, including org.apache.kylin:kylin-server-base. It affects 1 product.

Products include Apache Kylin.

How do I fix CVE-2020-13925?

Upgrade org.apache.kylin:kylin-server-base to 3.1.0 or later.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2020-13925 being exploited?

There is no known exploitation of CVE-2020-13925 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Apache Kylin

• CVE-2020-1956 Apache Kylin OS Command Injection Exploited High 8.8
• CVE-2026-62390 Apache Kylin: SQL Injection Vulnerability in Catalog Cache Refresh API Critical 9.8
• CVE-2022-44621 Apache Kylin: Command injection by Diagnosis Controller Critical 9.8
• CVE-2022-24697 Apache Kylin vulnerable to remote code execution Critical 9.8
• CVE-2021-31522 Apache Kylin unsafe class loading Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qwfw-gxx2-mmv2.