CVE-2020-7769
Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail transport for sending mails.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.30% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-88
- Affected
- nodemailer/nodemailer
- Source
- report@snyk.io
EPSS 2.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.