When user downloads PGP or S/MIME keys/certificates, exported file has same name for private and public keys. Therefore it's possible to mix them and to send private key to the third-party instead of public key. This issue affects ((OTRS)) Community Edition: 5.0.42 and prior versions, 6.0.27 and prior versions. OTRS: 7.0.16 and prior versions.
Exploitability
AV:NAC:LPR:HUI:RScope
S:UImpact
C:HI:NA:N4.5/CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:NOther