CVE-2024-33939: Authentication Bypass Using an Alternate Path or Channel vulnerability in masteriyo Masteriyo - LMS learning-m

Q: How do I fix CVE-2024-33939?

masteriyo: upgrade to 1.7.4. Exact commands for each OS are on this page.

Q: Is CVE-2024-33939 being exploited?

CVE-2024-33939 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-33939 affect?

CVE-2024-33939 affects masteriyo. Severity is medium (CVSS 5.3). Authentication Bypass Using an Alternate Path or Channel vulnerability in masteriyo Masteriyo - LMS learning-management-system.This issue affects Masteriyo - LMS: from n/a through <= 1.7.3.

Q: How urgent is CVE-2024-33939?

Priority 39/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2024-33939 is a medium-severity flaw (CVSS 5.3) affecting masteriyo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Authentication Bypass Using an Alternate Path or Channel vulnerability in masteriyo Masteriyo - LMS learning-management-system.This issue affects Masteriyo - LMS: from n/a through <= 1.7.3.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-288
Published	2025-05-19
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: themegrill

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-19 16:15 UTCPublished CVE record published
2026-06-17 07:32 UTCUpdated Record last modified

themegrill masteriyo UPGRADE

Affected: < 1.7.4

Fixed in: 1.7.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy masteriyo || rpm -q masteriyo || masteriyo --version

2. UPGRADE to 1.7.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade masteriyo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade masteriyo

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Masteriyo LMS <= 1.7.3 - Insecure Direct Object Reference

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-33939?

masteriyo: upgrade to 1.7.4. Exact commands for each OS are on this page.

Is CVE-2024-33939 being exploited?

CVE-2024-33939 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-33939 affect?

CVE-2024-33939 affects masteriyo. Severity is medium (CVSS 5.3). Authentication Bypass Using an Alternate Path or Channel vulnerability in masteriyo Masteriyo - LMS learning-management-system.This issue affects Masteriyo - LMS: from n/a through <= 1.7.3.

How urgent is CVE-2024-33939?

Priority 39/100. Remotely exploitable, no login, no user action

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References

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