CVE-2024-26503
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and...
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.
- Record
CVE-2024-26503- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2024-23768
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.
- Record
EUVD-2024-23768- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gj96-4654-x98q No score
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and...
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.
- Record
GHSA-gj96-4654-x98q- Updated
- 2026-11-02
NVD
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.
- Record
CVE-2024-26503- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.
- Record
CVE-2024-26503- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Open eClass 3.15 - RCE | 2026-10-21 |
| PoC in GitHub | RoboGR00t/Exploit-CVE-2024-26503 | 2024-03-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-26503 is a critical vulnerability (CVSS 9.1) in Gunet Open Eclass Platform, published March 14, 2024. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.96%, the 87th percentile. No source names a fixed version.