CVE-2020-1947

CRITICAL LAB

Apache Shardingsphere < 4.0.1 - Insecure Deserialization

Title source: rule
STIX 2.1

Description

In Apache ShardingSphere(incubator) 4.0.0-RC3 and 4.0.0, the ShardingSphere's web console uses the SnakeYAML library for parsing YAML inputs to load datasource configuration. SnakeYAML allows to unmarshal data to a Java type By using the YAML tag. Unmarshalling untrusted data can lead to security flaws of RCE.

Exploits (4)

nomisec WORKING POC 31 stars
by jas502n · poc
https://github.com/jas502n/CVE-2020-1947
nomisec WORKING POC 4 stars
by wsfengfan · poc
https://github.com/wsfengfan/CVE-2020-1947
nomisec WORKING POC 1 stars
by StarkChristmas · poc
https://github.com/StarkChristmas/CVE-2020-1947
nomisec WORKING POC 1 stars
by shadowsock5 · poc
https://github.com/shadowsock5/ShardingSphere_CVE-2020-1947

Scores

CVSS v3 9.8
EPSS 0.8546
EPSS Percentile 99.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Lab Environment

COMMUNITY
Community Lab
docker pull lazychristmas/cve-2020-1947:v3.0
+1 more repos

Details

CWE
CWE-502
Status published
Products (2)
apache/shardingsphere 4.0.0 (2 CPE variants)
org.apache.shardingsphere/shardingsphere 4.0.0-RC3 - 4.0.1Maven
Published Mar 11, 2020
Tracked Since Feb 18, 2026