CVE-2020-1956

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.

Affected

Apache · Kylin

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 GitHub

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H

CVSS v2.0 NVD

9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS

97.34% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2022-03-25

Nuclei

high · CWE-78

Published

2020-05-22

Updated

2025-10-21

Proof-of-concept exploits (1)

• b510/CVE-2020-19560★ · 2021-07-09

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-1956.yaml

Security advisories

• https://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f…
• https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25…
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1956
• advisories/GHSA-gprm-xqrc-c2j3
• https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2…
• https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede57…

References

• CVE Record
• NVD entry

Related

• CVE-2018-9995
• CVE-2019-19781