Critical severity · published Mar 25, 2019
CVE-2019-3809
A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions
10.0
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
3.1.0 through 3.1.15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3809
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3809
Patch
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-64222
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3809
Patch
https://moodle.org/mod/forum/discuss.php?d=381229#p1536766
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