Is CVE-2020-1956 actively exploited?

CVE-2020-1956 has no public evidence of in-the-wild exploitation as of 2025-10-23.

What is the CVSS score for CVE-2020-1956?

CVE-2020-1956 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2020-1956?

Patch guidance is available from apache security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-1956.

Fix CVE-2020-1956 - HIGH apache kylin

Q: Which products are affected by CVE-2020-1956?

10 products: apache kylin, apache kylin, apache kylin, apache kylin, apache kylin, and 5 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection CWE-78 · OS Command Injection

Metadata

Primary Vendor: APACHE
Published: 5/22/2020
Last Modified: 10/23/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apache : kylinapache : kylinapache : kylinapache : kylinapache : kylinapache : kylinapache : kylinapache : kylinapache : kylinapache : kylin

Remediation Guidance

Executive Summary

View on NIST NVD