Source: request-tracker Version: 4.4.4+dfsg-3 Severity: important Per https://docs.bestpractical.com/release-notes/rt/4.4.5:
Security * In previous versions, RT's native login system is vulnerable to user enumeration through a timing side-channel attack. This means an external entity could try to find valid usernames by attempting logins and comparing the time to evaluate each login attempt for valid and invalid usernames. This vulnerability does not allow any access to the RT system. This vulnerability is assigned CVE-2021-38562 and is fixed in this release.
