CVE-2017-18262

MEDIUM

Blackboard Learn - Unvalidated Redirect via Shibboleth Login Endpoint

Title source: llm
STIX 2.1

Description

Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for handling Shibboleth logins, as demonstrated by a webapps/bb-auth-provider-shibboleth-BBLEARN/execute/shibbolethLogin?returnUrl= URI.

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1040767
Mailing List, Third Party Advisory mailing-list x_refsource_fulldisc
http://seclists.org/fulldisclosure/2018/Apr/57
Third Party Advisory x_refsource_misc
https://ethan.pm/blackboard.txt

Scores

CVSS v3 6.1
EPSS 0.0147
EPSS Percentile 70.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-20 CWE-601
Status published
Products (2)
blackboard/blackboard_learn 9.1 q2_2016 (5 CPE variants)
blackboard/blackboard_learn < 9.1
Published Apr 30, 2018
Tracked Since Feb 18, 2026