CVE-2024-7595 GRE and GRE6 Protocols (RFC2784) do not validate or verify the source of a network packet
Attackers can spoof traffic and bypass access controls via GRE interfaces due to lack of source validation, requiring network filtering mitigations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-7595?
CVE-2024-7595 is a medium-severity authentication bypass vulnerability in IETF RFC2784 - Generic Routing Encapsulation (GRE), published on 5 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2024-7595?
It affects 2 products.
Products include Ietf Generic Routing Encapsulation, Ietf Generic Routing Encapsulation6.
How do I fix CVE-2024-7595?
No fix has been published for CVE-2024-7595 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-7595 being exploited?
There is no known exploitation of CVE-2024-7595 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-52hm-37gj-qx5h.