What’s Vulnerable › Vulnerabilities

CVE-2023-38884

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-20 · updated 2026-06-17
• Weakness: CWE-639

Description

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>'

Affected products

• OS4ED openSIS-Classic: 9.0

References

• https://github.com/OS4ED/openSIS-Classic
• https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38884
• https://www.os4ed.com/
• https://github.com/OS4ED/openSIS-Classic
• https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38884
• https://www.os4ed.com/

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