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PatchSiren cyber security CVE debrief

CVE-2024-31027 Greek Universities Network (GUnet) CVE debrief

A Cross Site Scripting vulnerability in Greek Universities Network (GUnet) Open eClass Platform v.3.15 allows remote attackers to execute arbitrary code via user registration parameters. Defenders should assess exposure, prioritize verification, and apply patches or mitigations to prevent potential code execution. The vulnerability exists in the user registration functionality, affecting the last name, first name, and username parameters. Limited information is available, and additional details may be required to fully assess the risk.

Vendor
Greek Universities Network (GUnet)
Product
Open eClass Platform
CVSS
MEDIUM 5.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-29
Original CVE updated
2026-10-27
Advisory published
2026-09-29
Advisory updated
2026-10-27

Who should care

Defenders responsible for Greek Universities Network (GUnet) Open eClass Platform deployments should assess exposure and prioritize verification and mitigation.

Why it matters

Defenders should prioritize verifying the vulnerability in their inventory and applying patches or mitigations to prevent potential code execution in Greek Universities Network (GUnet) Open eClass Platform deployments.

  • Potential code execution via user registration parameters
  • Required verification of vulnerability in inventory
  • Potential impact on learning management systems

Technical summary

The vulnerability exists in the user registration functionality of Greek Universities Network (GUnet) Open eClass Platform v.3.15. A remote attacker can execute arbitrary code via the last name, first name, and username parameters. Defenders should prioritize verifying the vulnerability in their inventory and applying patches or mitigations to prevent potential code execution. The vulnerability allows for potential code execution via user registration parameters, requiring verification of vulnerability in inventory and potential impact on learning management.

Defensive priority

Defenders should prioritize verifying the vulnerability in their inventory and applying patches or mitigations to prevent potential code execution.

Recommended defensive actions

  • Verify the vulnerability in your inventory
  • Apply patches or mitigations to prevent potential code execution
  • Monitor for potential attacks

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Additional details may be required to fully assess the risk. Defenders should verify the vulnerability in their inventory and apply patches or mitigations. The source-provided CVE metadata and official NIST NVD detail page offer some context, but further verification is necessary.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-31027 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-31027

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-31027 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-31027

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.