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CVE-2025-13033· NVD / CVE Program· CNA redhat

Nodemailer: nodemailer: email to an unintended domain can occur due to interpretation conflict

A vulnerability was identified in the email parsing library due to improper handling of specially formatted recipient email addresses. An attacker can exploit this flaw by crafting a recipient address that embeds an external address within quotes. This causes the application to misdirect the email to the attacker's external address instead of the intended internal recipient. This could lead to a significant data leak of sensitive information and allow an attacker to bypass security filters and access controls.

HighCVSS 7.5 · v3.1—No exploit Fix available
Published
Nov 14, 2025
Updated
Jun 17, 2026
EPSS
0.5% · 43th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · redhat
7.5
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • nodemailer nodemailer

    • before 7.0.7affected · semver

  • Red Hat Red Hat Advanced Cluster Management for Kubernetes 2

    • all versionsaffected

  • Red Hat Red Hat Ceph Storage 8.1

    • 1777566546 and laternot affected · rpm

  • Red Hat Red Hat Developer Hub 1.9

    • 1772573159 and laternot affected · rpm

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12node-nodemailerall versions—
Debian:13node-nodemailerbefore 6.10.0+~6.4.17-1+deb13u16.10.0+~6.4.17-1+deb13u1
Debian:14node-nodemailerbefore 7.0.9+~7.0.2-17.0.9+~7.0.2-1
npmnodemailerbefore 7.0.77.0.7

Same product

nodemailer: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-7769This affects the package nodemailer before 6.4.16.
    40Plan
  • CVE-2026-82854Nodemailer before 8.0.3 SMTP Command Injection via envelope.size
    38Monitor
  • CVE-2021-23400HTTP Header Injection
    35Monitor
  • CVE-2026-100700nodemailer before 10.0.6 Denial of Service via addressparser
    34Monitor
  • CVE-2026-92596Nodemailer before 9.1.0 Denial of Service via addressparser
    34Monitor
  • CVE-2026-90776Nodemailer 9.1.0 through 10.0.4 Denial of Service via Quadratic Address Parsing
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
nodemailer nodemailer7.0.7Vendor (CNA)
debian:node-nodemailer6.10.0+~6.4.17-1+deb13u1 · Debian:13Package registry (OSV)
npm:nodemailer7.0.7Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-1286 · Improper Validation of Syntactic Correctness of Input

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records