CVE-2025-23018
MEDIUM
6.5
CVSS Score
Published: January 14, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 08:51 AM UTC
1 product affected across 1 vendorIPv6
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (4)
Technical Description
Source: [email protected]
https://papers.mathyvanhoef.com/usenix2025-tunnels.pdfTechnical Description
Source: [email protected]
https://www.top10vpn.com/research/tunneling-protocol-vulnerability/Source: af854a3a-2127-422b-91ae-364da2661108
https://www.kb.cert.org/vuls/id/199397SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-940NVD-CWE-Other
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