Improper input validation in Apache Commons Email

CVE-2017-9801

When a call-site passes a subject for an email that contains line-breaks in Apache Commons Email 1.0 through 1.4, the caller can add arbitrary SMTP headers.

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

EPSS: 0.060 (92.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-9801?
CVE-2017-9801 is a high-severity vulnerability in Apache Commons Email, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2017-08-07.
How severe is CVE-2017-9801?
High severity. CVSS v3 base score is 7.5 out of 10.