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CVE-2000-0244: The Citrix ICA (Independent Computing Architecture) protocol uses weak encryption (XOR) for user…

CVE-2000-0244 has a CVSS v2 base score of 10.0 (the maximum on that scale) and NVD lists 2 affected products, including Citrix Metaframe. Per its scoring, it can be exploited over the network, without authentication. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

The Citrix ICA (Independent Computing Architecture) protocol uses weak encryption (XOR) for user authentication.

Severity breakdown

CVSS v2.0 10.0: AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access vector: Network. Exploitable remotely over the network.
  • Access complexity: Low. No special conditions are required.
  • Authentication: None. No authentication is needed.
  • Confidentiality impact: Complete. Total information disclosure.
  • Integrity impact: Complete. Total loss of integrity.
  • Availability impact: Complete. Total shutdown of the component.

Affected products

  • Citrix Metaframe: up to and including 1.8; 1.0
  • Citrix Winframe: 3.5_1.8_for_windows_nt

References