# CVE-2002-0863

## Summary

- **CVE ID:** CVE-2002-0863
- **Severity:** UNKNOWN
- **CVSS Score:** 0.81
- **CWE:** N/A
- **Published:** Oct 1, 2002
- **Last Modified:** Mar 16, 2026

## Description

Remote Data Protocol (RDP) version 5.0 in Microsoft Windows 2000 and RDP 5.1 in Windows XP does not encrypt the checksums of plaintext session data, which could allow a remote attacker to determine the contents of encrypted sessions via sniffing, aka "Weak Encryption in RDP Protocol."

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www.securityfocus.com/bid/5711)
- [CNA](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-051)
- [CNA](http://www.iss.net/security_center/static/10122.php)
- [CNA](http://www.kb.cert.org/vuls/id/865833)
- [CNA](http://marc.info/?l=bugtraq&m=103235960119404&w=2)
- [CNA](http://www.securityfocus.com/bid/5712)
- [CNA](http://marc.info/?l=bugtraq&m=103236181522253&w=2)
- [CNA](http://www.iss.net/security_center/static/10121.php)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A199)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 20.22%
- **EPSS Percentile:** 95.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._