CVE-2020-13998
Last modified
CVE-2020-13998 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 1.39% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Citrix | Xenapp | 6.5.0.0 |
References
- https://gist.github.com/kampji/11e259d68ad98a6f0f898132f1961a96Third Party Advisory
- https://gist.github.com/kampji/11e259d68ad98a6f0f898132f1961a96Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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