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-203CWE-639

Affected software

VendorProductVersions
n/an/an/a
citrixxenapp6.5.0.0

References

Timeline

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

Related CVEs from 2020

CVE-2020-139995.5ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) 1.0.12 allows an integer overflow and denial of service via a craCVE-2020-14007.8A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka 'Jet Database EnCVE-2020-140009.8MIT Lifelong Kindergarten Scratch scratch-vm before 0.2.0-prerelease.20200714185213 loads extension URLs from untrusted project.json files wCVE-2020-140019.8The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read acceCVE-2020-140025.9PuTTY 0.68 through 0.73 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-miCVE-2020-140047.8An issue was discovered in Icinga2 before v2.12.0-rc1. The prepare-dirs script (run as part of the icinga2 systemd service) executes chmod 2CVE-2020-140058.8Solarwinds Orion (with Web Console WPM 2019.4.1, and Orion Platform HF4 or NPM HF2 2019.4) allows remote attackers to execute arbitrary codeCVE-2020-140065.4Solarwinds Orion (with Web Console WPM 2019.4.1, and Orion Platform HF4 or NPM HF2 2019.4) allows XSS via a Responsible Team.CVE-2020-140075.4Solarwinds Orion (with Web Console WPM 2019.4.1, and Orion Platform HF4 or NPM HF2 2019.4) allows XSS via a name of an alert definition.CVE-2020-140087.2Zoho ManageEngine Applications Manager 14710 and before allows an authenticated admin user to upload a vulnerable jar in a specific locationCVE-2020-140096.3Proofpoint Enterprise Protection (PPS/PoD) before 8.16.4 contains a vulnerability that could allow an attacker to deliver an email message wCVE-2020-14017.8A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka 'Jet Database En
CVE-2020-13998: Medium severity, CVSS 5.3 | Vulnix