When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1778
Reference (s):
- https://otrs.com/release-notes/otrs-security-advisory-2020-16/
- URL: https://otrs.com/release-notes/otrs-security-advisory-2020-16/

