Citrix XenApp 6.5, when 2FA is enabled, allows a remote unauthenticated attacker to ascertain whether a user exists on the server, because the 2FA error page only occurs after a valid username is entered. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
History

Wed, 25 Feb 2026 07:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-06-11T01:59:35.000Z

Updated: 2024-08-04T12:32:14.840Z

Reserved: 2020-06-09T00:00:00.000Z

Link: CVE-2020-13998

cve-icon Vulnrichment

Updated: 2024-08-04T12:32:14.840Z

cve-icon NVD

Status : Modified

Published: 2020-06-11T02:15:10.713

Modified: 2024-11-21T05:02:19.037

Link: CVE-2020-13998

cve-icon Redhat

No data.