CVE-2024-31777Public exploitNetwork attack vector

Administrator RCE via certificate ZIP extraction

Published Jun 13, 2024 · Updated Sep 6, 2024

Unrestricted file upload in GUnet Open eClass Platform 3.15 and earlier allows remote authenticated users to execute arbitrary code. The certbadge.php certificate-template handler accepts a ZIP containing a PHP file and places its contents under a web-accessible cert_templates path. Administrative access is required; requesting the extracted PHP file executes commands with the web server's privileges.

CVSS severity9.8
Critical
EPSS probability3.82%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in GUnet Open eClass Platform 3.15 and earlier allows remote authenticated users to execute arbitrary code. The certbadge.php certificate-template handler accepts a ZIP containing a PHP file and places its contents under a web-accessible cert_templates path. Administrative access is required; requesting the extracted PHP file executes commands with the web server's privileges.

The record

CVE
CVE-2024-31777
Published
Jun 13, 2024
Updated
Sep 6, 2024
Vendor
GUnet
Product
Open eClass Platform
Classifications
CWE-434, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 6, 2024Record 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=0 <=3.15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

GUnet · Open eClass Platformversion=0 <=3.15

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1505.003Server Software Component: Web Shell

Public exploit references

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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