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TI-2020-01871 Aliases CVE-2020-1947GHSA-v54f-xcmp-43cr

Deserialization of untrusted data in Apache ShardingSphere

Priority HIGH 67CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.

Summary

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.

Why it matters now

EPSS 0.33918 98th percentileScored 2026-11-07
Fix Fixed org.apache.shardingsphere:shardingsphere (Maven): 4.0.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache ShardingSphere(incubator)4.0.0-RC3; 4.0.0—No fix listedCNA
—org.apache.shardingsphere:shardingsphere (Maven)4.0.0-RC3 to before 4.0.14.0.1Patch availableGHSA-v54f-xcmp-43cr
  • Apache ShardingSphere(incubator) VendorApache Affected 4.0.0-RC3; 4.0.0 Fixed in — No fix listed CNA
  • org.apache.shardingsphere:shardingsphere (Maven) Vendor— Affected 4.0.0-RC3 to before 4.0.1 Fixed in 4.0.1 Patch available GHSA-v54f-xcmp-43cr

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:apache:shardingsphere:4.0.0:-:*:*:*:*:*:*4.0.0VulnerableApache
cpe:2.3:a:apache:shardingsphere:4.0.0:rc3:*:*:*:*:*:*4.0.0 rc3VulnerableApache
  • cpe:2.3:a:apache:shardingsphere:4.0.0:-:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Apache
  • cpe:2.3:a:apache:shardingsphere:4.0.0:rc3:*:*:*:*:*:* Versions 4.0.0 rc3 Vulnerable ·Apache

Remediation

  • Fix · GHSA-v54f-xcmp-43cr org.apache.shardingsphere:shardingsphere (Maven) Fixed in 4.0.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-1947
  2. 2026-10-03 Alias added: GHSA-v54f-xcmp-43cr

References

Advisory 2

  • TI-2022-22313 Apache ShardingSphere-Proxy: MySQL authentication bypass CVSS 3.1CRITICAL 9.8
  • TI-2023-13265 ShardingSphere-Agent: Deserialization vulnerability in ShardingSphere Agent CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences