What is CVE-2020-2166?

CVE-2020-2166 is a high-severity vulnerability in Jenkins Pipeline\, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2020-03-25.

How severe is CVE-2020-2166?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Jenkins Pipeline\

CVE-2020-2166

Jenkins Pipeline: AWS Steps Plugin 1.40 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jenkins Pipeline\ — versions _aws_steps
Jenkins Project Pipeline: Aws Steps Plugin — versions unspecified

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2166?: CVE-2020-2166 is a high-severity vulnerability in Jenkins Pipeline\, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2020-03-25.
How severe is CVE-2020-2166?: High severity. CVSS v3 base score is 8.8 out of 10.