Is CVE-2023-5636 in the CISA KEV catalog?

No. CVE-2023-5636 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-5636?

CVE-2023-5636 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-5636?

CVE-2023-5636 has an EPSS score of 1.68% (74th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-5636?

Upgrade arslansoft education portal to 1.1 or later.

CVE & CISA-KEV Catalog

CVE-2023-5636

CRITICALEPSS 74th pctl

9.8

CVSS v3

NVD

Description

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

CWE-434Unrestricted File Upload

How to fix

Remediation Available

arslansoft education portalNVD

Affected:< 1.1Fixed in:1.1CVE-2023-5636derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.68%probability of exploitation in 30 days

74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Third-Party Advisory1

usom.gov.tr

Other references1

siberguvenlik.gov.tr

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-20.