CVE-2015-5331

Description

Moodle 2.9.x before 2.9.3 does not properly check the contact list before authorizing message transmission, which allows remote authenticated users to bypass intended access restrictions and conduct spam attacks via the messaging API.

Category

4.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.16%
Vendor Advisory moodle.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50426
https://moodle.org/mod/forum/discuss.php?d=323228 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-5331?
CVE-2015-5331 has been scored as a medium severity vulnerability.
How to fix CVE-2015-5331?
To fix CVE-2015-5331, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-5331 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-5331 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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