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CVE-2025-23018

MEDIUM
Published 2025-01-14T00:00:00.000Z
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CVSS Score

V3.1
5.4
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.130
Higher than 13.0% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

IPv4-in-IPv6 and IPv6-in-IPv6 tunneling (RFC 2473) do not require the validation or verification of the source of a network packet, allowing an attacker to spoof and route arbitrary traffic via an exposed network interface. This is a similar issue to CVE-2020-10136.

Available Exploits

No exploits available for this CVE.

Related News

New Protocol Vulnerabilities: CVE-2024-7595/7596 & CVE-2025-23018/23019

Simon Migliano is a recognized world expert in VPNs. He's tested hundreds of VPN services and his research has featured on the BBC, The New York Times and more. Read full bio New vulnerabilities in multiple tunneling protocols allow attackers to hijack affect…

Top10vpn.com 2025-01-22 05:32
Read More

Affected Products

IETF

IPv6

Affected Versions:

6

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-mf23-wm84-g9x3

Advisory Details

IPv4-in-IPv6 and IPv6-in-IPv6 tunneling (RFC 2473) do not require the validation or verification of the source of a network packet, allowing an attacker to spoof and route arbitrary traffic via an exposed network interface. This is a similar issue to CVE-2020-10136.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-23018
WEB https://datatracker.ietf.org/doc/html/rfc2473
WEB https://papers.mathyvanhoef.com/usenix2025-tunnels.pdf
WEB https://www.top10vpn.com/research/tunneling-protocol-vulnerability

Advisory provided by GitHub Security Advisory Database. Published: January 14, 2025, Modified: January 14, 2025

References

https://datatracker.ietf.org/doc/html/rfc2473
https://papers.mathyvanhoef.com/usenix2025-tunnels.pdf
https://www.top10vpn.com/research/tunneling-protocol-vulnerability/
Published: 2025-01-14T00:00:00.000Z
Last Modified: 2025-02-12T20:31:20.585Z
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