CVE-2020-7769
Command Injection
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Command Injection
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.
- Record
CVE-2020-7769- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/E:P/RL:U/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-0932
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.
- Record
EUVD-2021-0932- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H/E:P/RL:U/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-48ww-j4fc-435p
Command injection in 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.
- Record
GHSA-48ww-j4fc-435p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-88
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-7769- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-88
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-7769- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2020-7769- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVGHSA-48ww-j4fc-435p
Command injection in 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.
- Record
GHSA-48ww-j4fc-435p- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-88
- Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2020-7769- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVCLSA-2026-1775003161 No score
TuxCare security update for nodemailer (6 CVEs)
TuxCare rebuilt nodemailer to address 6 CVEs. Fixed in 2.7.2-tuxcare.1.
- Record
CLSA-2026-1775003161- Updated
- 2026-11-02
OSVCLSA-2026-1784596339 No score
TuxCare security update for nodemailer (1 CVE)
TuxCare rebuilt nodemailer to address 1 CVE. Fixed in 0.7.1-tuxcare.1.
- Record
CLSA-2026-1784596339- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nodemailernpm |
before 6.4.16 | 6.4.16 |
nodemailerTuxCare:npm |
2.7.2-tuxcare.0 up to 2.7.2-tuxcare.1, plus listed versions 2.7.2 |
2.7.2-tuxcare.1 |
nodemailerTuxCare:npm |
0.7.1-tuxcare.0 up to 0.7.1-tuxcare.1, plus listed versions 0.7.1 |
0.7.1-tuxcare.1 |
node-nodemailerDebian:12 |
before 6.4.16-1 | 6.4.16-1 |
node-nodemailerDebian:13 |
before 6.4.16-1 | 6.4.16-1 |
node-nodemailerDebian:14 |
before 6.4.16-1 | 6.4.16-1 |
node-nodemailerUbuntu:20.04:LTS |
All versions, plus listed versions 6.3.0-26.3.1-16.4.0-16.4.1-16.4.2-16.4.5-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7769 is a high vulnerability (CVSS 8.6) in Nodemailer, published November 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.30%, the 83rd percentile. Fixed in nodemailer 6.4.16.
References
snyk.io/vuln/SNYK-JS-NODEMAILER-1038834
github.com/nodemailer/nodemailer/blob/33b62e2ea6bc9215c99a9bb4bfba94e2fb27ebd0/lib/sendmail-transport/index.js%23L75
nvd.nist.gov/vuln/detail/CVE-2020-7769