RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using a chosen-prefix collision attack against MD5 Response Authenticator signature.
Exploitability
AV:NAC:HPR:NUI:NScope
S:CImpact
C:HI:HA:H9/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H