Vulnerability Description
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 inefficient regular expression complexity. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 3.2.2 is able to address this issue. The identifier of the patch is f7ea6817b90952baaea9baace2a3b4366fee6a63. It is recommended to upgrade the affected component.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Meteor | Meteor | < 3.2.2 |
Related Weaknesses (CWE)
References
- https://github.com/meteor/meteor/commit/f7ea6817b90952baaea9baace2a3b4366fee6a63Issue TrackingPatch
- https://github.com/meteor/meteor/issues/13713Broken Link
- https://github.com/meteor/meteor/pull/13721Issue TrackingPatch
- https://github.com/meteor/meteor/releases/tag/release/METEOR%403.2.2Release Notes
- https://vuldb.com/?ctiid.309029Permissions RequiredVDB Entry
- https://vuldb.com/?id.309029Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.570441ExploitThird Party AdvisoryVDB Entry
- https://vuldb.com/?submit.570441ExploitThird Party AdvisoryVDB Entry
FAQ
What is CVE-2025-4727?
CVE-2025-4727 is a vulnerability with a CVSS score of 3.7 (LOW). 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...
How severe is CVE-2025-4727?
CVE-2025-4727 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-4727?
Check the references section above for vendor advisories and patch information. Affected products include: Meteor Meteor.