What is CVE-2020-2156?

CVE-2020-2156 is a medium-severity vulnerability in Jenkins Deployhub, classified under Cleartext Transmission of Sensitive Information. CVSS score: 4.3/10. Published 2020-03-09.

How severe is CVE-2020-2156?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Jenkins Deployhub

CVE-2020-2156

Jenkins DeployHub Plugin 8.0.14 and earlier transmits configured credentials in plain text as part of job configuration forms, potentially resulting in their exposure.

Published 2020-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Jenkins Deployhub
Jenkins Project Deployhub Plugin — versions unspecified, next of 8.0.14

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

jenkins.io/security/advisory/2020-03-09/ (Vendor Advisory)
www.openwall.com/lists/oss-security/2020/03/09/1 (mailing-list, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2156?: CVE-2020-2156 is a medium-severity vulnerability in Jenkins Deployhub, classified under Cleartext Transmission of Sensitive Information. CVSS score: 4.3/10. Published 2020-03-09.
How severe is CVE-2020-2156?: Medium severity. CVSS v3 base score is 4.3 out of 10.