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CVE-2025-67298

Classroomio authentication bypass

8.1 HIGHPublic exploitEPSS 0.23%
  1. Published11 Mar 2026

Description

An issue in ClasroomIO before v.0.2.6 allows a remote attacker to escalate privileges via the endpoints /api/verify and /rest/v1/profile

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Classroomio< 0.2.6

Remediation

Fixed in
Classroomio≥ 0.2.6

References

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Frequently asked

Is CVE-2025-67298 being actively exploited?

CVE-2025-67298 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.23%.

How severe is CVE-2025-67298?

CVE-2025-67298 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 0.23% probability of exploitation.

Which products are affected by CVE-2025-67298?

Affected products include Classroomio.

How do I fix CVE-2025-67298?

Upgrade affected software to a fixed version, for example Classroomio 0.2.6 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-67298 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.