CVE-2025-4727

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.

References

https://vuldb.com/?submit.570441

https://vuldb.com/?id.309029

https://vuldb.com/?ctiid.309029

https://github.com/meteor/meteor/releases/tag/release/METEOR%403.2.2

https://github.com/meteor/meteor/pull/13721

https://github.com/meteor/meteor/issues/13713

https://github.com/meteor/meteor/commit/f7ea6817b90952baaea9baace2a3b4366fee6a63

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

CVSS v4

EPSS