CVE-2023-38884

HIGHNVD 7.57.5—

7.5

An Insecure Direct Object Reference (IDOR) vulnerability in the Community Edition version 9.0 of openSIS Classic allows an unauthenticated remote attacker to access any student's files by visiting '/assets/studentfiles/-'

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 58.1%
KEV: Not listed

Published

November 20, 2023

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/OS4ED/openSIS-Classic
cve@mitrehttps://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38884
cve@mitrehttps://www.os4ed.com/
af854a3a-2127-422b-91ae-364da2661108https://github.com/OS4ED/openSIS-Classic
af854a3a-2127-422b-91ae-364da2661108https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38884
af854a3a-2127-422b-91ae-364da2661108https://www.os4ed.com/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-639Authorization Bypass Through User-Controlled Key (IDOR)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-38884?

CVE-2023-38884 is a high vulnerability published on November 20, 2023. An Insecure Direct Object Reference (IDOR) vulnerability in the Community Edition version 9.0 of openSIS Classic allows an unauthenticated remote attacker to access any student's files by visiting '/assets/studentfiles/<studentId>-<filename>'

When was CVE-2023-38884 disclosed?

CVE-2023-38884 was first published in the National Vulnerability Database on November 20, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-38884 actively exploited?

CVE-2023-38884 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-38884?

CVE-2023-38884 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-38884?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-38884, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-38884

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-38884?

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Published

Last Modified

References (6)

Frequently asked(5)

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