GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet (IETF RFC2784 - Generic Routing Encapsulation (GRE))
At a glance
- Source
- NVD
- EPSS
- EPSS 1.61 % · percentile 76 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- certcc
- NVD status
- Modified
Description
GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet allowing an attacker to spoof and route arbitrary traffic via an exposed network interface that can lead to spoofing, access control bypass, and other unexpected network behaviors. This can be considered similar to CVE-2020-10136.
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | CISA-ADP |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
European references
- ENISA EUVD · EUVD-2024-48105
- GCVE · GCVE-0-2024-7595
CERT-FR advisories
- CERTFR-2025-AVI-0583 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ietf:generic_routing_encapsulation:-:*:*:*:*:*:*:*cpe:2.3:a:ietf:generic_routing_encapsulation6:-:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| IETF · RFC2784 - Generic Routing Encapsulation (GRE) | affected STD 1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |