The ugidd RPC interface, by design, allows remote attackers to enumerate valid usernames by specifying arbitrary UIDs that ugidd maps to local user and group names.
https://exchange.xforce.ibmcloud.com/vulnerabilities/348
http://ca.com/au/securityadvisor/vulninfo/Vuln.aspx?ID=1638
Source: Mitre, NVD
Published: 1999-01-01
Updated: 2017-07-11
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