What is CVE-2023-49339?

CVE-2023-49339 is a medium-severity vulnerability in Ellucian Banner, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2024-02-13.

How severe is CVE-2023-49339?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-49339 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Ellucian Banner

CVE-2023-49339

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

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ellucian Banner
N/a — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

Public proof-of-concept exploits

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-49339?: CVE-2023-49339 is a medium-severity vulnerability in Ellucian Banner, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2024-02-13.
How severe is CVE-2023-49339?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-49339 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.