Vulnerability in Nodemailer

CVE-2021-23400

The package nodemailer before 6.6.1 are vulnerable to HTTP Header Injection if unsanitized user input that may contain newlines and carriage returns is passed into an address object.

EPSS: 0.014 (69.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-23400?
CVE-2021-23400 is a medium-severity vulnerability in Nodemailer, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2021-06-29.
How severe is CVE-2021-23400?
Medium severity. CVSS v3 base score is 6.3 out of 10.