CVE-2020-1956
HighPublished
Apache Kylin OS Command Injection Vulnerability
- Published
- May 22, 2020
- Updated
- Oct 21, 2025
- Assigning CNA
- apache
- Evidence observed
- Mar 25, 2022
Primary CVSS
8.8/ 10High
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H97.3%
High · next 30 days
- Percentile
- 99.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
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.
Sources
1- CVE-2020-1956Exploit
CVE-2020-1956
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