Vulnerability Details : CVE-2019-3809

A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions. The mybackpack functionality allowed setting the URL of badges, when it should be restricted to the Mozilla Open Badges backpack URL. This resulted in the possibility of blind SSRF via requests made by the page.
Published 2019-03-25 18:29:01
Updated 2019-10-09 23:49:42
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Cross-site request forgery (CSRF)Server-side request forgery (SSRF)

Products affected by CVE-2019-3809

Exploit prediction scoring system (EPSS) score for CVE-2019-3809

EPSS FAQ
0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-3809

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 NIST
10.0
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.9
6.0
 NIST
6.5
 MEDIUM CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
3.9
2.5
 Red Hat, Inc.

CWE ids for CVE-2019-3809

  • The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.
    Assigned by: secalert@redhat.com (Secondary)
  • The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-3809

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