CVE-2024-7595: GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet

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.

Classification

CVE ID: CVE-2024-7595

Affected Products

Vendor: IETF

Product: RFC2784 - Generic Routing Encapsulation (GRE)

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 18.82% (scored less or equal to compared to others)

EPSS Date: 2025-03-06 (when was this score calculated)

References

https://datatracker.ietf.org/doc/html/rfc2784
https://www.rfc-editor.org/rfc/rfc6169.html

Timeline