What is CVE-2015-5331?

CVE-2015-5331 is a medium-severity vulnerability in Moodle, classified under CWE-254. CVSS score: 4.3/10. Published 2016-02-22.

How severe is CVE-2015-5331?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Moodle

CVE-2015-5331

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.

EPSS: 0.013 (67.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Moodle — versions 2.9.0, 2.9.1, 2.9.2
N/a — versions n/a

Weakness classification (CWE)

CWE-254

References

secalert@redhat.com (x_refsource_CONFIRM)
secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2015-5331?: CVE-2015-5331 is a medium-severity vulnerability in Moodle, classified under CWE-254. CVSS score: 4.3/10. Published 2016-02-22.
How severe is CVE-2015-5331?: Medium severity. CVSS v3 base score is 4.3 out of 10.