What is the CVSS score of CVE-2025-65670?

CVE-2025-65670 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Classroomio are affected by CVE-2025-65670?

CVE-2025-65670 presents moderate security risk, a IDOR vulnerability rated CVSS 4.3. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available.

Is there a public PoC exploit available for CVE-2025-65670?

Yes, a public proof-of-concept exploit is available for CVE-2025-65670. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-65670?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Classroomio CVE-2025-65670

MEDIUM

Authorization Bypass Through User-Controlled Key (CWE-639)

2025-11-26 cve@mitre.org

Authentication Bypass Classroomio

4.3

CVSS 3.1 · Vendor: mitre

Severity by source

Vendor (mitre) PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:24 vuln.today

PoC Detected

Dec 03, 2025 - 20:51 vuln.today

Public exploit code

CVE Published

Nov 26, 2025 - 20:15 nvd

MEDIUM 4.3

DescriptionCVE.org

An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher endpoints by manipulating course IDs in URLs, resulting in unauthorized disclosure of sensitive course, admin, and student data. The leak occurs momentarily before the system reverts to a normal state restricting access.

AnalysisAI

An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher endpoints by manipulating course IDs in URLs, resulting in unauthorized disclosure. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-639. An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher endpoints by manipulating course IDs in URLs, resulting in unauthorized disclosure of sensitive course, admin, and student data. The leak occurs momentarily before the system reverts to a normal state restricting access. Affected products include: Classroomio.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.