What is CVE-2023-5636?

CVE-2023-5636 is a critical-severity vulnerability in Arslansoft Education Portal, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-12-01.

How severe is CVE-2023-5636?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Arslansoft Education Portal

CVE-2023-5636

Unrestricted Upload of File with Dangerous Type vulnerability in ArslanSoft Education Portal allows Command Injection. This issue affects Education Portal: before v1.1.

Vulnerability class: Unrestricted File Upload

Published 2023-12-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Arslansoft Education Portal — versions 0
Arslansoft Education Portal Project

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.usom.gov.tr/bildirim/tr-23-0670 (Third Party Advisory, government-resource, broken-link)
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0670 (government-resource)

Frequently asked questions

What is CVE-2023-5636?: CVE-2023-5636 is a critical-severity vulnerability in Arslansoft Education Portal, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-12-01.
How severe is CVE-2023-5636?: Critical severity. CVSS v3 base score is 9.8 out of 10.