CVE-2020-1947

CWE-502 — Deserialization of Untrusted Data6 documents6 sources
Severity
9.8CRITICAL
EPSS
85.5%
top 0.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apache Software Foundation Apache Shardingsphere(incubator)Apache Shardingsphere
Timeline
PublishedMar 11
Latest updateFeb 10

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages3 packages

▶Mavenorg.apache.shardingsphere:shardingsphere4.0.0-RC3 — 4.0.1

🔴Vulnerability Details

3
GHSA
Deserialization of Untrusted Data in Apache ShardingSphere↗2022-02-10
▶
OSV
Deserialization of Untrusted Data in Apache ShardingSphere↗2022-02-10
▶
CVEList
CVE-2020-1947: In Apache ShardingSphere(incubator) 4↗2020-03-11
▶

💥Exploits & PoCs

1
Exploit-DB
Core FTP LE 2.2 - Denial of Service (PoC)↗2020-02-26
▶

🔍Detection Rules

1
Suricata
ET EXPLOIT Possible Apache ShardingSphere RCE Attempt (CVE-2020-1947) (PoC Based)↗2022-01-28
▶
CVE-2020-1947 (CRITICAL CVSS 9.8) | In Apache ShardingSphere(incubator) | cvebase.io