{"id":"CVE-2020-1956","aliases":["GHSA-gprm-xqrc-c2j3"],"url":"https://o3.security/vulnerability/CVE-2020-1956","summary":"Command Injection in Kylin","details":"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.","published":"2020-05-22T14:15:11.840Z","modified":"2026-07-08T23:34:48.284723Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.97337,"percentile":0.99891,"asOf":"2026-08-24"},"cisaKev":{"dateAdded":"2022-03-25","dueDate":"2022-04-15","knownRansomwareCampaignUse":false},"exploitsKnown":3,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.kylin:kylin-core-common","fixedVersion":"2.6.6"},{"ecosystem":"Maven","name":"org.apache.kylin:kylin-core-common","fixedVersion":"3.0.2"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kylin.apache.org%3E"},{"type":"ADVISORY","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1956"},{"type":"FIX","url":"https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3E"},{"type":"FIX","url":"https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.kylin.apache.org%3E"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2020/07/14/1"},{"type":"ARTICLE","url":"https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.apache.org%3E"},{"type":"ARTICLE","url":"https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin.apache.org%3E"},{"type":"ARTICLE","url":"https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kylin.apache.org%3E"},{"type":"EVIDENCE","url":"https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706"}],"provenance":{"sources":["OSV.dev","CISA KEV","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:34:48.284723Z"}}