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Vulnerability record · public intelligence
CVE-2002-0863
UNKNOWN

CVE-2002-0863

Published Oct 1, 2002 · Updated Oct 23, 2026

Severity · CVSSUNKNOWN · 5.0
Known exploitationNot listed
EPSS / likelihood21.98%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Oct 23, 2026

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."

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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."

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDEPSS
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. 5711 ↗
  2. MS02-051 ↗
  3. win-rdp-keystroke-monitoring(10122) ↗
  4. VU#865833 ↗
  5. 20020916 Microsoft Windows Remote Desktop Protocol checksum and keystroke vulnerabilities ↗
  6. 5712 ↗
  7. 20020918 Microsoft Windows Terminal Services vulnerabilities ↗
  8. win-rdp-checksum-leak(10121) ↗
  9. oval:org.mitre.oval:def:199 ↗

Record history

Published Oct 1, 2002 · Last refreshed Oct 23, 2026

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