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CVE-2020-1937 Kylin

Affected softwareKylin
Severity8.8 High CVSS 3.1 2 scores
Fixed in2.6.5, 3.0.1
WeaknessSQL injection (CWE-89)
Published24 Feb 2020
Updated17 Jun 2026

Description

Kylin has some restful apis which will concatenate SQLs with the user input string, a user is likely to be able to run malicious database queries.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. The 1 repository below are public GitHub repositories with fewer than 5 stars.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC 1 indexed, none at 5+ stars
  • EPSS 3.1% chance in 30 days

1 of these are GitHub repositories with fewer than 5 stars. They are listed for reference and don't count toward the exploitation status above.

IndexArtifactStarsFirst seen
GitHub PoC CVE-2020-1937 1 2021-01-06

Waratek protection

Protected by Waratek

Waratek has a rule that blocks attacks on this vulnerability.

Decided by A vulnerability class already blocked by an ARMR security rule
Finding Protected by Waratek's ARMR sql-injection security rule, which blocks this class of attack at the JVM level without a rule written for this CVE specifically. The CVE's weakness is CWE-89: SQL Injection.

How to mitigate CVE-2020-1937

Upgrade Kylin to a release that fixes it: 2.6.5 or 3.0.1. Until you can, Waratek RASP blocks exploitation with its SQL injection rule. It runs inside the Java application, with no code changes.

Waratek RASP Runtime protection for Java applications

CVSS

8.8 HIGH v3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H NVD Primary published
CVSS 2.0 6.5 none AV:N/AC:L/Au:S/C:P/I:P/A:P NVD Primary

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.apache.kylin:kylin-server-base 0 2.6.5 unbounded
org.apache.kylin:kylin-server-base 3.0.0 3.0.1 unbounded

Products and versions

2 products, 10 version entries
SourceVendorProductSchemeAffected versions
nvd apache kylin generic ≥ 2.3.0 and ≤ 2.3.2 · ≥ 2.4.0 and ≤ 2.4.1 · ≥ 2.5.0 and ≤ 2.5.2 · ≥ 2.6.0 and ≤ 2.6.4 · 3.0.0 · 3.0.0:alpha · 3.0.0:alpha2 · 3.0.0:beta
osv org.apache.kylin kylin-server-base generic < 2.6.5 · ≥ 3.0.0 and < 3.0.1

References

URLTags
https://github.com/apache/kylin/commit/e373c64c96a54a7abfe4bccb82e8feb60db04749 WEB
https://github.com/apache/kylin PACKAGE
https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf@%3Ccommits.kylin.apache.org%3E WEB
https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0@%3Ccommits.kylin.apache.org%3E WEB
https://lists.apache.org/thread.html/rc574fef23740522f62ab3bbda4f6171be98aa7a25f3f54be143a80a8%40%3Cuser.kylin.apache.org%3E WEB
https://snyk.io/vuln/SNYK-JAVA-ORGAPACHEKYLIN-552148 WEB
https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3E
https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.kylin.apache.org%3E

Timeline

Published2020-02-24By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.