6.5
MEDIUM
CVE-2017-1000221
Opencast Insufficient Username Validation vulnerability
Description

In Opencast 2.2.3 and older if user names overlap, the Opencast search service used for publication to the media modules and players will handle the access control incorrectly so that users only need to match part of the user name used for the access restriction. For example, a user with the role ROLE_USER will have access to recordings published only for ROLE_USER_X.

INFO

Published Date :

Nov. 17, 2017, 10:29 p.m.

Last Modified :

Oct. 3, 2019, 12:03 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2017-1000221 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apereo opencast
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-1000221.

URL Resource
https://opencast.jira.com/browse/MH-11862 Exploit Issue Tracking Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-1000221 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-1000221 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-284 CWE-732
  • Initial Analysis by [email protected]

    Dec. 05, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://opencast.jira.com/browse/MH-11862 No Types Assigned https://opencast.jira.com/browse/MH-11862 Exploit, Issue Tracking, Vendor Advisory
    Added CWE CWE-284
    Added CPE Configuration OR *cpe:2.3:a:apereo:opencast:*:*:*:*:*:*:*:* versions up to (including) 2.2.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} -0.00%

score

0.24499

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability