CVE-2017-18262

Name: CVE-2017-18262
Creator: NVD / NIST
Published: 2018-04-30T13:29:00.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.47%

Last modified Jun 17, 2026

CVE-2017-18262 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.47%

70.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Blackboard	Blackboard Learn	<= 9.1	—
Blackboard	Blackboard Learn	9.1	Q2 2016

References

http://seclists.org/fulldisclosure/2018/Apr/57Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1040767Third Party Advisory, VDB Entry
https://ethan.pm/blackboard.txtThird Party Advisory
http://seclists.org/fulldisclosure/2018/Apr/57Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1040767Third Party Advisory, VDB Entry
https://ethan.pm/blackboard.txtThird Party Advisory

Timeline

Published: Apr 30, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-18262?

How severe is CVE-2017-18262?

Severity scoring for CVE-2017-18262 is pending analysis. The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.

How do I fix CVE-2017-18262?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-18262?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST