What is CVE-2025-4727?

CVE-2025-4727 is a low-severity vulnerability in Meteor, classified under Uncontrolled Resource Consumption. CVSS score: 3.7/10. Published 2025-05-15.

How severe is CVE-2025-4727?

Low severity. CVSS v3 base score is 3.7 out of 10.

Resource exhaustion in Meteor

CVE-2025-4727

A vulnerability was found in Meteor up to 3.2.1 and classified as problematic. This issue affects the function Object.assign of the file packages/ddp-server/livedata_server.js. The manipulation of the argument forwardedFor leads to ineffic…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.006 (43.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Meteor
N/a Meteor — versions 3.2.0, 3.2.1

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (issue-tracking, Broken Link)
cna@vuldb.com (issue-tracking, Patch, Issue Tracking)
cna@vuldb.com (Patch, patch, Issue Tracking)
cna@vuldb.com (Release Notes, patch)

Frequently asked questions

What is CVE-2025-4727?: CVE-2025-4727 is a low-severity vulnerability in Meteor, classified under Uncontrolled Resource Consumption. CVSS score: 3.7/10. Published 2025-05-15.
How severe is CVE-2025-4727?: Low severity. CVSS v3 base score is 3.7 out of 10.