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CVE-2024-51743: MarkUs is a web application for the submission and grading of student assignments

44
This month
HIGH 8.8UPGRADE

CVE-2024-51743 is a high-severity flaw (CVSS 8.8) affecting markus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an arbitrary file write vulnerability in the update/upload/create file methods in Controllers allows authenticated instructors to write arbitrary files to any location on the web server MarkUs is running on (depending on the permissions of the underlying filesystem). e.g. This can lead to a delayed remote code execution in case an attack

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.7% (top 45%)
CISA exploited listNo
WeaknessCWE-434
Published2024-11-18
Last modified2026-06-17
Publisher (CNA): GitHub, Inc. · Vendor: markusproject

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

Am I affected?

Timeline

markusproject markus UPGRADE
Affected: < 2.4.8
Fixed in: 2.4.8
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy markus || rpm -q markus || markus --version
2. UPGRADE to 2.4.8 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade markus
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade markus
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2024-51743?

markus: upgrade to 2.4.8. Exact commands for each OS are on this page.

Is CVE-2024-51743 being exploited?

CVE-2024-51743 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-2024-51743 affect?

CVE-2024-51743 affects markus. Severity is high (CVSS 8.8). MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an arbitrary file write vulnerability in the update/upload/create file methods in Controllers allows authenticated instructors to

How urgent is CVE-2024-51743?

Priority 44/100. High severity

Related CVEs

References

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