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Actively exploited · Published May 22, 2020 · Assigned by apache

CVE-2020-1956

High 8.8 Exploited

In plain English

A high-severity OS command injection in Kylin from Apache. Attackers are actively exploiting it in the wild (listed by CISA on March 25, 2022). The chance it is exploited in the next 30 days is estimated at 97.4% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)97.4%top 0.1% of all CVEs
Exploited in the wildYesCISA KEV since Mar 25, 2022
Attack tooling2Nuclei, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Apr 15, 2022.

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.apache.kylin:kylin-core-common2.6.6GHSA-gprm-xqrc-c2j3
Mavenorg.apache.kylin:kylin-core-common3.0.2GHSA-gprm-xqrc-c2j3

Affected products (as reported)

VendorProductVersions
Apache Kylin 2.3.0<=2.6.5<=3.0.1

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References