CVE-2020-13998

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-203 CWE-639

Affected software

No affected versions have been published.

Timeline

Published: Jun 11, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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