CVE-2020-1956

HIGH KEV NUCLEI

Apache Kylin 2.3.0-2.6.5 and 3.0.1 - OS Command Injection via RESTful API

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2020-1956 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added March 25, 2022. EIP tracks 1 public exploit from researchers including b510. A Nuclei detection template is also available.

AI-analyzed exploit summary This PoC exploits CVE-2020-1956 in Apache Kylin by leveraging command injection in the configuration migration feature to achieve remote code execution. It authenticates as an admin user and injects a reverse shell payload into the configuration settings.

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.

Exploits (1)

nomisec WORKING POC
by b510 · remote-auth
https://github.com/b510/CVE-2020-1956

This PoC exploits CVE-2020-1956 in Apache Kylin by leveraging command injection in the configuration migration feature to achieve remote code execution. It authenticates as an admin user and injects a reverse shell payload into the configuration settings.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Apache Kylin < 2.6.6, >= 3.0.0, < 3.0.2
Auth required
Prerequisites: Admin credentials · Network access to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

Apache Kylin 3.0.1 - Command Injection Vulnerability
HIGHVERIFIEDby iamnoooob,rootxharsh,pdresearch
Shodan: http.favicon.hash:-186961397
FOFA: icon_hash=-186961397

Scores

CVSS v3 8.8
EPSS 0.9411
EPSS Percentile 99.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation active
Automatable no
Technical Impact total

Details

CISA KEV 2022-03-25
VulnCheck KEV 2020-10-14
InTheWild.io 2022-03-25
ENISA EUVD EUVD-2020-0557
CWE
CWE-78
Status published
Products (6)
apache/kylin 2.4.0
apache/kylin 2.4.1
apache/kylin 3.0.0 (4 CPE variants)
apache/kylin 3.0.1
apache/kylin 2.3.0 - 2.3.2
org.apache.kylin/kylin-core-common 0 - 2.6.6Maven
Published May 22, 2020
KEV Added Mar 25, 2022
Tracked Since Feb 18, 2026