CVEvulnerability
CVE-2025-4727
6.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-05-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.3 MEDIUM — CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 2.6 LOW — AV:N/AC:H/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-1333, CWE-400
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.
Affected configurations
• meteor meteor (< 3.2.2)
Related
References
- https://github.com/meteor/meteor/commit/f7ea6817b90952baaea9baace2a3b4366fee6a63 Issue Tracking, Patch
- https://github.com/meteor/meteor/issues/13713 Broken Link
- https://github.com/meteor/meteor/pull/13721 Issue Tracking, Patch
- https://github.com/meteor/meteor/releases/tag/release/METEOR%403.2.2 Release Notes
- https://vuldb.com/?ctiid.309029 Permissions Required, VDB Entry
- https://vuldb.com/?id.309029 Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.570441 Exploit, Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.570441 Exploit, Third Party Advisory, VDB Entry