Cogent DataHub before 7.3.5 does not use a salt during password hashing, which makes it easier for context-dependent attackers to obtain cleartext passwords via a brute-force attack.
https://www.cisa.gov/news-events/ics-advisories/icsa-14-149-02
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-2391