What is CVE-2020-2208?

CVE-2020-2208 is a medium-severity vulnerability in Jenkins Slack Upload, classified under Insufficiently Protected Credentials. CVSS score: 4.3/10. Published 2020-07-02.

How severe is CVE-2020-2208?

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

Vulnerability in Jenkins Slack Upload

CVE-2020-2208

Jenkins Slack Upload Plugin 1.7 and earlier stores a secret unencrypted in job config.xml files on the Jenkins master where it can be viewed by users with Extended Read permission, or access to the master file system.

Published 2020-07-02 · 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: 0.007 (50.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Jenkins Slack Upload
Jenkins Project Slack Upload Plugin — versions unspecified, next of 1.7

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

jenkins.io/security/advisory/2020-07-02/ (Vendor Advisory)
www.openwall.com/lists/oss-security/2020/07/02/7 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2208?: CVE-2020-2208 is a medium-severity vulnerability in Jenkins Slack Upload, classified under Insufficiently Protected Credentials. CVSS score: 4.3/10. Published 2020-07-02.
How severe is CVE-2020-2208?: Medium severity. CVSS v3 base score is 4.3 out of 10.