CVE-2002-1831
UnknownEPSS 22.83%
Last modified
CVE-2002-1831 is a vulnerability of currently unknown severity. Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.. EPSS estimates a 22.83% chance of exploitation in the next 30 days.
Description
Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Msn Messenger | 1.0 |
| Microsoft | Msn Messenger | 2.0 |
| Microsoft | Msn Messenger | 2.2 |
| Microsoft | Msn Messenger | 3.0 |
| Microsoft | Msn Messenger | 3.6 |
| Microsoft | Msn Messenger | 4.0 |
| Microsoft | Msn Messenger | 4.5 |
| Microsoft | Msn Messenger | 4.6 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2002-1831?
Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.
How severe is CVE-2002-1831?
Severity scoring for CVE-2002-1831 is pending analysis. The EPSS model estimates a 22.83% probability of exploitation in the next 30 days.
How do I fix CVE-2002-1831?
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-2002-1831?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST