CVE-2024-31777: File Upload vulnerability in openeclass v.3.15 and before allows an attacker to execute arbitrary code via a c

Q: How do I fix CVE-2024-31777?

openeclass: upgrade to newer than 3.15. Exact commands for each OS are on this page.

Q: Is CVE-2024-31777 being exploited?

CVE-2024-31777 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-2024-31777 affect?

CVE-2024-31777 affects openeclass. Severity is critical (CVSS 9.8). File Upload vulnerability in openeclass v.3.15 and before allows an attacker to execute arbitrary code via a crafted file to the certbadge.php endpoint.

Q: How urgent is CVE-2024-31777?

Priority 67/100. Critical severity; EPSS top 10%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-31777 is a critical-severity flaw (CVSS 9.8) affecting openeclass. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

File Upload vulnerability in openeclass v.3.15 and before allows an attacker to execute arbitrary code via a crafted file to the certbadge.php endpoint.

Why this priority

Critical severity
EPSS top 10%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Weakness	CWE-434
Published	2024-06-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: openeclass

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

Am I affected?

Timeline

2024-06-13 23:15 UTCPublished CVE record published
2026-06-17 07:28 UTCUpdated Record last modified

openeclass openeclass UPGRADE

Affected: <= 3.15

Fixed in: newer than 3.15

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.15 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openeclass

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.

Exploit-DB: GUnet OpenEclass E-learning platform 3.15 - 'certbadge.php' Unrestricted File Upload

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-2024-31777?

openeclass: upgrade to newer than 3.15. Exact commands for each OS are on this page.

Is CVE-2024-31777 being exploited?

CVE-2024-31777 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-2024-31777 affect?

CVE-2024-31777 affects openeclass. Severity is critical (CVSS 9.8). File Upload vulnerability in openeclass v.3.15 and before allows an attacker to execute arbitrary code via a crafted file to the certbadge.php endpoint.

How urgent is CVE-2024-31777?

Priority 67/100. Critical severity; EPSS top 10%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-22241 HIGH 7.2 UPGRADE The Open eClass platform (formerly known as GUnet eClass) is a complete course management system
CVE-2025-65734 MEDIUM 5.4 UPGRADE An authenticated arbitrary file upload vulnerability in the Courses/Work Assignments module of gunet Open eCla
CVE-2024-38530 CRITICAL 9.8 UPGRADE The Open eClass platform (formerly known as GUnet eClass) is a complete Course Management System
CVE-2024-33253 MEDIUM 5.4 UPGRADE Cross-site scripting (XSS) vulnerability in GUnet OpenEclass E-learning Platform version 3.15 and before allow

References

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