VULNERABILITY INTELLIGENCE
CVE-2017-18262
CVSS score6.1 MEDIUM
EPSS probability1.39%
CISA KEVNot currently listed
Published2018-04-30
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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.
Weakness classification
- CWE-20: Improper Input Validation
- CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Primary references
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory