Vulnerability DatabaseCVE-2020-7769
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CVE-2020-7769
Published:November 12, 2020
Updated:May 17, 2026
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.
Affected Packages
nodemailer (NPM):
Affected version(s) >=0.1.1 <6.4.16
Fix Suggestion:
Update to version 6.4.16
Related Resources (6)
https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js#L75
https://nvd.nist.gov/vuln/detail/CVE-2020-7769
https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%23L75
https://www.npmjs.com/package/nodemailer
https://github.com/nodemailer/nodemailer/commit/ba31c64c910d884579875c52d57ac45acc47aa54
https://security-tracker.debian.org/tracker/CVE-2020-7769
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CVSS v4
Base Score:
7.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
CWE-88
EPSS
Base Score:
0.51