CVE-2020-2166
RCE vulnerability in Jenkins Pipeline: AWS Steps Plugin
8.8
HIGH
CVSS 3.1
EPSS 0.65%
Description
Pipeline: AWS Steps Plugin 1.40 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution (RCE) vulnerability exploitable by users able to provide YAML input files to Pipeline: AWS Steps Plugin’s build steps. Pipeline: AWS Steps Plugin 1.41 configures its YAML parser to only instantiate safe types.
How to fix CVE-2020-2166
To remediate CVE-2020-2166, upgrade the affected package to a fixed version below.
- —upgrade to 1.41 or later
Is CVE-2020-2166 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.41
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |