Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and…
Priority LOW 28CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets.
Why it matters now
EPSS 0.00947 61st 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tinc-vpn:tinc:*:*:*:*:*:*:*:* | up to 1.0.34 | Vulnerable | Tinc-vpn |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:* | v8 build12533 | Vulnerable | Starwindsoftware |
| cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:* | v8 build12658 | Vulnerable | Starwindsoftware |
- cpe:2.3:a:tinc-vpn:tinc:*:*:*:*:*:*:*:* Versions up to 1.0.34 Vulnerable ·Tinc-vpn
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12533:*:*:*:vsphere:*:* Versions v8 build12533 Vulnerable ·Starwindsoftware
- cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build12658:*:*:*:vsphere:*:* Versions v8 build12658 Vulnerable ·Starwindsoftware
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16758
- 2026-10-03 Alias added: GHSA-52p3-pmr5-f54r
References
Sources
- CVE-2018-16758 · CVE Program
- CVE-2018-16758 · NVD
- FIRST EPSS
- GHSA-52p3-pmr5-f54r · GitHub Advisory Database · CC BY 4.0
- CVE-2018-16758 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences