CVE-2020-1947
Deserialization of Untrusted Data in Apache ShardingSphere
9.8
CRITICAL
CVSS 3.1
EPSS 85.5%
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.
How to fix CVE-2020-1947
To remediate CVE-2020-1947, upgrade the affected package to a fixed version below.
- —upgrade to 4.0.1 or later
Is CVE-2020-1947 being exploited?
Likely — EPSS is 85.5%, placing CVE-2020-1947 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- >= 4.0.0-RC3, < 4.0.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |