CVE-2018-13257

PoC —

CVSS 3.1

6.1 medium

EPSS

1%p67

Published

Nov 18, 2019 (Nov 18, 2019)

Modified

Jun 17, 2026

Description

The bb-auth-provider-cas authentication module within Blackboard Learn 2018-07-02 is susceptible to HTTP host header spoofing during Central Authentication Service (CAS) service ticket validation, enabling a phishing attack from the CAS server login page.

Vendors: blackboard
Products: blackboard learn
Weakness: CWE-601
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.2%)

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