CVE-2020-1956Apache 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 withou…
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It affects Apache Kylin. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 25, 2022; federal agencies had to remediate by Apr 15, 2022. Treat that date as your deadline.
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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.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Added to CISA KEV Mar 25, 2022; federal remediation due Apr 15, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 97.34% (percentile 100)
- Assigned by
- apache
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Kylin apache:kylin (from the name) | 2.3.0; through 2.6.5; through 3.0.1 | CNA record |
apache kylin apache:kylin | from 2.3.0 through 2.3.2; from 2.5.0 through 2.5.2; from 2.6.0 through 2.6.5; 2.4.0; 2.4.1; 3.0.0; 3.0.0; 3.0.0; and 2 more ranges | NVD |
References
- https://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kylin.apache.org%3Ex-refsource-misc, mailing-list, mitigation, vendor-advisory
- https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706x-refsource-misc, exploit, third-party-advisory
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kylin.apache.org%3Emailing-list, x-refsource-mlist
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin.apache.org%3Emailing-list, x-refsource-mlist
- https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.kylin.apache.org%3Emailing-list, x-refsource-mlist, patch
- https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.apache.org%3Emailing-list, x-refsource-mlist
- http://www.openwall.com/lists/oss-security/2020/07/14/1mailing-list, x-refsource-mlist
- https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3Emailing-list, x-refsource-mlist, patch
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1956third-party-advisory, us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.