CVE-2020-13998

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CVSS 3.1

5.3 medium

EPSS

1%p71

Published

Jun 11, 2020 (Jun 11, 2020)

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

Vendors: citrix
Products: xenapp
Weakness: CWE-203, CWE-639
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.4%)

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