6.1med

CVE-2017-18262

Blackboard Learn (Since at least 17th of October 2017) has allowed Unvalidated Redirects on any signed-in user through its endpoints for ha…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
6.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 72%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.39% probability of exploitation in the next 30 days, higher than 72% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD2.05.8AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-601 URL Redirection to Untrusted Site

References

  • securitytracker.com /id/1040767 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • seclists.org /fulldisclosure/2018/Apr/57 · mailing-list, x_refsource_FULLDISC, x_transferred
  • ethan.pm /blackboard.txt · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.