TI-2002-01674 Aliases CVE-2002-1755 GHSA-5rvw-86pg-w962

tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote…

LOW 25Published 2005-06-21 · Updated 2024-08-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · Partial · None
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

tinc 1.0pre3 and 1.0pre4 VPN 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 CBC.

Why it matters now

EPSS 0.01096 65th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:tinc:tinc:1.0pre3:::::::*	1.0pre3	Vulnerable	Tinc
cpe:2.3:a:tinc:tinc:1.0pre4:::::::*	1.0pre4	Vulnerable	Tinc

cpe:2.3:a:tinc:tinc:1.0pre3:*:*:*:*:*:*:* Versions 1.0pre3 Vulnerable ·Tinc
cpe:2.3:a:tinc:tinc:1.0pre4:*:*:*:*:*:*:* Versions 1.0pre4 Vulnerable ·Tinc

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2002-1755
2026-10-03 Alias added: GHSA-5rvw-86pg-w962

References

—

TI-2001-01453 tinc 1.0pre3 and 1.0pre4 allows remote attackers to inject data into user sessions by sniffing and replaying packets. CVSS 2.0MEDIUM 5.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences