SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and bypass per-domain restrictions.
Exploitability
AV:NAC:LAT:NPR:LUI:NVulnerable System
VC:LVI:LVA:NSubsequent System
SC:LSI:LSA:N5.3/CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:NOther