CVE-2020-7769
CRITICALCVSS 9.8/10EPSS 2.32%
Last modified
CVE-2020-7769 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.32% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nodemailer | Nodemailer | < 6.4.16 |
References
- https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%23L75Broken Link, Third Party Advisory
- https://github.com/nodemailer/nodemailer/commit/ba31c64c910d884579875c52d57ac45acc47aa54Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1039742Exploit, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-NODEMAILER-1038834Exploit, Patch, Third Party Advisory
- https://github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%23L75Broken Link, Third Party Advisory
- https://github.com/nodemailer/nodemailer/commit/ba31c64c910d884579875c52d57ac45acc47aa54Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1039742Exploit, Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-NODEMAILER-1038834Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-7769?
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.
How severe is CVE-2020-7769?
CVE-2020-7769 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.32% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7769?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-7769?
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