Apache · Kylin
CVE-2020-1956
Apache Kylin OS Command Injection Vulnerability
Exploited in attacks
High 8.8 Attack chance: 97%
What it is
Apache Kylin 2.3.0, and releases up to 2.6.5 and 3.0.1 has some restful apis which will concatenate os command with the user input string, a user is likely to be able to execute any os command without any protection or validation.
CISA: Apache Kylin contains an OS command injection vulnerability which could permit an attacker to perform remote code execution.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: April 15, 2022
- Added to the CISA list
- March 25, 2022
- Published
- May 22, 2020
- Severity
- High 8.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 97% in the top 0.1% of all known vulnerabilities
- Weakness
- CWE-78
- More details
- NVD · CVE.org · CISA
All references (8)
- https://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kyli…
- https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kyli…
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin…
- https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.k…
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.…
- http://www.openwall.com/lists/oss-security/2020/07/14/1
- https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.k…
More exploited flaws from Apache
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Oct 8, 2026 | Command Injection | Struts | High 8.1 | 97% |
| Aug 4, 2026 | Missing Encryption of Sensitive Data | Tomcat | High 7.5 | 99% |
| Apr 16, 2026 | Improper Input Validation | ActiveMQ | High 8.8 | 98% |
| May 1, 2025 | Improper Escaping of Output | HTTP Server | Critical 9.1 | >99.9% |
| Apr 1, 2025 | Path Equivalence | Tomcat | Critical 10.0 | 99.9% |
| Feb 4, 2025 | Forced Browsing | OFBiz | Critical 9.8 | >99.9% |
| Sep 18, 2024 | Improper Access Control | HugeGraph-Server | Critical 9.8 | 99.2% |
| Aug 27, 2024 | Incorrect Authorization | OFBiz | High 8.1 | 99.4% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.