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Vulnerability record · CVE-2020-7769 · published 12 November 2020

CVE-2020-7769: Nodemailer argument injection vulnerability

Nodemailer · Nodemailer

This affects the package nodemailer before 6.4.16. Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail transport for sending mails.

9.8 CVSS 3.1 Critical EPSS 2.3% · top 17.5% CWE-88 · Argument injection
9.8CVSS 3.1 base score, v2 7.5
2.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

This affects the package nodemailer before 6.4.16. Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail transport for sending mails.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%2 Broken LinkThird Party Advisory
https://github.com/nodemailer/nodemailer/commit/ba31c64c910d884579875c52d57ac45acc47aa54 PatchThird Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1039742 ExploitPatchThird Party Advisory
https://snyk.io/vuln/SNYK-JS-NODEMAILER-1038834 ExploitPatchThird Party Advisory
https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%2 Broken LinkThird Party Advisory
https://github.com/nodemailer/nodemailer/commit/ba31c64c910d884579875c52d57ac45acc47aa54 PatchThird Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1039742 ExploitPatchThird Party Advisory
https://snyk.io/vuln/SNYK-JS-NODEMAILER-1038834 ExploitPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-7769), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.