Vulnerability record

CVE-2020-1956

Apache Kylin OS Command Injection Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Kylin, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Apr 15, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsSource
KylinApache Software Foundation>= 2.3.0, <= 2.3.2; >= 2.5.0, <= 2.5.2; >= 2.6.0, <= 2.6.5; 2.4.0; 2.4.1; 3.0.0KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2020-1956 scored CVSS 8.8: Apache Kylin, Apache Kylin OS Command Injection Vulnerability

    CISA lists this as exploited in the wild. Unpatched Kylin systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2020-1956: Apache Kylin, Apache Kylin OS Command Injection Vulnerability

    An official fix is now available for Apache Kylin. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2020-1956
  • openwall.com http://www.openwall.com/lists/oss-security/2020/07/14/1
  • community.sonarsource.com https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706
  • lists.apache.org https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.ky…
  • lists.apache.org https://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kylin…
  • lists.apache.org https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.a…
  • lists.apache.org https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin.…
  • lists.apache.org https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kylin…
  • lists.apache.org https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.ky…
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1956