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

This month

MEDIUM 6.5REMOTEMITIGATEMITIGATE

CVE-2024-7595 is a medium-severity flaw (CVSS 6.5) affecting generic routing encapsulation, generic routing encapsulation6. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2025-02-05
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: ietf

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-05 18:15 UTCPublished CVE record published
2026-06-17 08:20 UTCUpdated Record last modified

ietf generic routing encapsulation MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy generic-routing-encapsulation || rpm -q generic-routing-encapsulation || generic-routing-encapsulation --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

ietf generic routing encapsulation6 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy generic-routing-encapsulation6 || rpm -q generic-routing-encapsulation6 || generic-routing-encapsulation6 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-7595?

generic routing encapsulation: mitigate or apply the listed mitigation; generic routing encapsulation6: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-7595 being exploited?

CVE-2024-7595 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-7595 affect?

CVE-2024-7595 affects generic routing encapsulation, generic routing encapsulation6. Severity is medium (CVSS 6.5). 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

How urgent is CVE-2024-7595?

Priority 47/100. Remotely exploitable, no login, no user action

References

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