CVE-2018-16758
MEDIUMCVSS 5.9/10EPSS 0.95%
Last modified
CVE-2018-16758 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Tinc-Vpn | Tinc | <= 1.0.34 | — |
| Debian | Debian Linux | 9.0 | — |
| Starwindsoftware | Starwind Virtual San | v8 | Build12533 |
References
- http://tinc-vpn.org/security/Vendor Advisory
- https://www.debian.org/security/2018/dsa-4312Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20190227-0003/Third Party Advisory
- http://tinc-vpn.org/security/Vendor Advisory
- https://www.debian.org/security/2018/dsa-4312Third Party Advisory
- https://www.starwindsoftware.com/security/sw-20190227-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-16758?
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.
How severe is CVE-2018-16758?
CVE-2018-16758 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.
How do I fix CVE-2018-16758?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-16758?
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Scan your code nowSource: NVD / NIST