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Tool Directory

CVE-2023-49339

MediumPublished

Ellucian Banner 9.17 allows Insecure Direct Object Reference (IDOR) via a modified bannerId to the /StudentSelfService/ssb/studentCard/retrieveData endpoint.

Published: Feb 13, 2024
Updated: May 7, 2025
Assigning CNA: mitre
Evidence observed: Aug 25, 2026

Primary CVSS

6.5/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.6%

Low · next 30 days

Percentile: 46.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Ellucian Banner 9.17 allows Insecure Direct Object Reference (IDOR) via a modified bannerId to the /StudentSelfService/ssb/studentCard/retrieveData endpoint.

Sources

CVE-2023-49339Informational
Critical Security Vulnerability in Ellucian Banner System

Responsible use

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