CVE-2021-39227
Prototype Pollution in the merge and clone helper methods
6.2
MEDIUM
CVSS 3.1
EPSS 0.27%
Description
### Impact Using `merge` and `clone` helper methods in the `src/core/util.ts` module will have prototype pollution. It will affect the popular data visualization library Apache ECharts, which is using and exported these two methods directly. ### Patches It has been patched in https://github.com/ecomfe/zrender/pull/826. Users should update zrender to `5.2.1`. and update echarts to `5.2.1` if project is using echarts. ### References NA ### For more information NA
How to fix CVE-2021-39227
To remediate CVE-2021-39227, upgrade the affected package to a fixed version below.
- —upgrade to 5.2.1 or later
Is CVE-2021-39227 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 5.0.0, < 5.2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |