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Advisories

ClassroomIO through 1.0.0 IDOR via Course Submission Update, Grade and Delete Routes

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Severity
medium
Date
Affecting

  • ClassroomIO <= 1.0.0

CWE
  • CWE-639 Authorization Bypass Through User-Controlled Key
CVSS
6.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Credit
hieuPenguinnn
Description
ClassroomIO through 1.0.0 contains an insecure direct object reference vulnerability in the Hono API course submission routes that allows course tutors or admins to modify submissions in other courses. Attackers can supply their own course id with another course's submission UUID to PUT or DELETE handlers to overwrite answers, grades, feedback, and grading status or delete submissions.

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