CVE-2006-2206
UnknownEPSS 2.14%
Last modified
CVE-2006-2206 is a vulnerability of currently unknown severity. The MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers to gain privileges by sniffing and decrypting passwords.. EPSS estimates a 2.14% chance of exploitation in the next 30 days.
Description
The MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers to gain privileges by sniffing and decrypting passwords.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ultravnc | Ultravnc | 1.0.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2006-2206?
The MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers to gain privileges by sniffing and decrypting passwords.
How severe is CVE-2006-2206?
Severity scoring for CVE-2006-2206 is pending analysis. The EPSS model estimates a 2.14% probability of exploitation in the next 30 days.
How do I fix CVE-2006-2206?
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-2006-2206?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST