Vulnerability in Jenkins Email_extension

CVE-2020-2253

Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.

Vulnerability class: Improper Certificate Validation

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-2253?
CVE-2020-2253 is a medium-severity vulnerability in Jenkins Email_extension, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2020-09-16.
How severe is CVE-2020-2253?
Medium severity. CVSS v3 base score is 4.8 out of 10.