webcalendar before 1.2.7 shows the reason for a failed login (e.g., "no such user").
https://www.securityfocus.com/bid/58250/info
http://www.openwall.com/lists/oss-security/2013/07/25/4
http://www.openwall.com/lists/oss-security/2013/07/22/8
Source: Mitre, NVD
Published: 2020-02-04
Updated: 2020-02-11
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.00319