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CVE Vulnerability Details :
CVE-2025-23019
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-14 Jan, 2025 | 00:00
Updated At-03 Nov, 2025 | 21:00
Rejected At-
▼CVE Numbering Authority (CNA)

IPv6-in-IPv4 tunneling (RFC 4213) allows an attacker to spoof and route traffic via an exposed network interface.

Affected Products
Vendor
The IETF Administration LLC (IETF LLC)IETF
Product
IPv6
Default Status
unknown
Versions
Affected
  • 6 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-940CWE-940 Improper Verification of Source of a Communication Channel
Type: CWE
CWE ID: CWE-940
Description: CWE-940 Improper Verification of Source of a Communication Channel
Metrics
VersionBase scoreBase severityVector
3.15.4MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Version: 3.1
Base score: 5.4
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://datatracker.ietf.org/doc/html/rfc4213
N/A
https://papers.mathyvanhoef.com/usenix2025-tunnels.pdf
N/A
https://www.top10vpn.com/research/tunneling-protocol-vulnerability/
N/A
Hyperlink: https://datatracker.ietf.org/doc/html/rfc4213
Resource: N/A
Hyperlink: https://papers.mathyvanhoef.com/usenix2025-tunnels.pdf
Resource: N/A
Hyperlink: https://www.top10vpn.com/research/tunneling-protocol-vulnerability/
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.kb.cert.org/vuls/id/199397
N/A
Hyperlink: https://www.kb.cert.org/vuls/id/199397
Resource: N/A
Details not found