What is CVE-2020-2252?

CVE-2020-2252 is a medium-severity vulnerability in Jenkins Mailer, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2020-09-16.

How severe is CVE-2020-2252?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Jenkins Mailer

CVE-2020-2252

Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server.

Vulnerability class: Improper Certificate Validation

EPSS: 0.010 (58.0th 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

Jenkins Mailer
Jenkins Project Mailer Plugin — versions unspecified, 1.29.1, 1.31.1

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

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

Frequently asked questions

What is CVE-2020-2252?: CVE-2020-2252 is a medium-severity vulnerability in Jenkins Mailer, classified under Improper Certificate Validation. CVSS score: 4.8/10. Published 2020-09-16.
How severe is CVE-2020-2252?: Medium severity. CVSS v3 base score is 4.8 out of 10.