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CVE Record

CVE-2002-1747: Vtun 2.5b1 does not authenticate forwarded packets, which allows remote attackers to inject data into user...

Vtun 2.5b1 does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on ECB.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

VTun 2.5b1 reportedly allowed remote attackers to inject data into VPN user sessions because forwarded packets were not authenticated. For executives, this matters only if legacy VTun is still deployed, but affected tunnels could carry altered traffic without obvious detection. Exposure appears limited to environments still running VTun 2.5b1 or closely related legacy deployments. The provided record does not identify broader products, supported versions, platforms, or CPEs. Prioritize discovery over emergency response unless VTun 2.5b1 is found in production. If present, treat it as a legacy VPN integrity risk and plan replacement or containment promptly. Mitigation focus: Inventory systems for VTun 2.5b1 or legacy VTun usage.; Check VTun or distributor guidance for fixed versions or migration recommendations.; Replace unsupported VTun deployments with maintained VPN software providing packet integrity protection..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2002-1747 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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