Role-based Authorization Strategy Plugin was not requiring requests to its API be sent via POST, thereby opening itself to Cross-Site Request Forgery attacks. This allowed attackers to add administrator role to any user, or to remove the authorization configuration, preventing legitimate access to Jenkins.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HJenkins Role Based Authorization Strategy
APPJenkins≤ 2.5.0
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