CVE-2020-13998

CVSS V2 Medium 4.3 CVSS V3 Medium 5.3

Description

** UNSUPPORTED WHEN ASSIGNED ** 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.

Overview

CVE ID
CVE-2020-13998

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-06-11T02:15:10

Last Modified Date
2022-04-27T14:16:40

Weakness Enumerations

CWE	URL
CWE-203	http://cwe.mitre.org/data/definitions/203.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:citrix:xenapp:6.5.0.0:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
4.3

Severity
MEDIUM

Exploitability Score
8.6

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
5.3

Base Severity
MEDIUM

Exploitability Score
3.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://gist.github.com/kampji/11e259d68ad98a6f0f898132f1961a96	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-13998
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13998

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:26:05				Added to TrackCVE
2022-12-04 17:52:03	2020-06-11T02:15Z	2020-06-11T02:15:10	CVE Published Date	updated
2022-12-04 17:52:03		2022-04-27T14:16:40	CVE Modified Date	updated
2022-12-04 17:52:03		Analyzed	Vulnerability Status	updated