CVE-2025-6680Network attack vector

Assignment disclosure via missing course ownership check

Published Oct 25, 2025 · Updated Oct 25, 2025

Improper access control in Themeum Tutor LMS 3.8.3 and earlier allows remote authenticated users to view assignments for courses they do not teach. The assignment review template renders requested assignment submissions without confirming that the current tutor teaches the associated course. Tutor-level access is required, and exposure is limited to assignment content available through the unauthorized review request.

CVSS severity4.3
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Themeum Tutor LMS 3.8.3 and earlier allows remote authenticated users to view assignments for courses they do not teach. The assignment review template renders requested assignment submissions without confirming that the current tutor teaches the associated course. Tutor-level access is required, and exposure is limited to assignment content available through the unauthorized review request.

The record

CVE
CVE-2025-6680
Published
Oct 25, 2025
Updated
Oct 25, 2025
Vendor
Themeum
Product
Tutor LMS
Classifications
CWE-284, T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 25, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=3.8.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Themeum · Tutor LMSversion=* <=3.8.3

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1213Data from Information Repositories

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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