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Vulnerability record · CVE-2002-0863 · published 11 October 2002

CVE-2002-0863: Microsoft .net windows server vulnerability

Microsoft · .Net Windows Server

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."

5.0 CVSS 2.0 Medium EPSS 22% · top 2.4%
5.0CVSS 2.0 base score
22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

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."

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Source: NIST National Vulnerability Database (record CVE-2002-0863), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.