TI-2023-26952 Aliases CVE-2023-49339 GHSA-m839-rvvg-g25r

Ellucian Banner 9.17 allows Insecure Direct Object Reference (IDOR) via a modified…

MEDIUM 62CWE-639Published 2024-02-13 · Updated 2025-05-07

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.

Summary

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00589 48th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ellucian:banner::::::::	up to 9.17	Vulnerable	Ellucian

cpe:2.3:a:ellucian:banner:*:*:*:*:*:*:*:* Versions up to 9.17 Vulnerable ·Ellucian

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-49339
2026-10-03 Alias added: GHSA-m839-rvvg-g25r

References

Exploit 1

https://github.com/3zizme/CVE-2023-49339/

Other 1

https://www.ellucian.com/solutions/ellucian-banner

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences