CVE-2021-23400

HTTP Header Injection

View on CVE.org

Published Jun 29, 2021 CVSS 3.1 · 6.3 Medium EPSS 1.4% KEV · Not listed

Description

The package nodemailer before 6.6.1 are vulnerable to HTTP Header Injection if unsanitized user input that may contain newlines and carriage returns is passed into an address object.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

nodemailer

affected

Version	Status	Constraints
`unspecified`	affected	< 6.6.1

Configuration 1 [-]

cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:node.js:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-2533	The package nodemailer before 6.6.1 are vulnerable to HTTP Header Injection if unsanitized user input that may contain newlines and carriage returns is passed into an address object.
Github GHSA	GHSA-hwqf-gcqm-7353	Header injection in nodemailer

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.387% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/nodemailer/nodemailer/commit/7e02648cc8cd863f5085bad3cd09087bccf84b9f
https://github.com/nodemailer/nodemailer/issues/1289
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1314737
https://snyk.io/vuln/SNYK-JS-NODEMAILER-1296415

History

No history.

Subscriptions

Nodemailer Nodemailer

Weaknesses

CWE-74

Sources

CVE record Updated: Sep 16, 2024, 10:56 PM

Status: PUBLISHED
Assigner: snyk
Published: Jun 29, 2021, 11:45 AM
Updated: Sep 16, 2024, 10:56 PM
Reserved: Jan 8, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:38 AM

Status: Modified
Published: Jun 29, 2021, 12:15 PM
Modified: Jun 17, 2026, 3:38 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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