CSRF in Moodle

CVE-2017-7491

In Moodle 2.x and 3.x, a CSRF attack is possible that allows attackers to change the "number of courses displayed in the course overview block" configuration setting.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.005 (42.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-7491: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Moodle — versions 2.7.0, 2.7.1, 2.7.2
  • Moodle 2.x And 3.x — versions Moodle 2.x and 3.x

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7491?
CVE-2017-7491 is a medium-severity vulnerability in Moodle, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2017-05-15.
How severe is CVE-2017-7491?
Medium severity. CVSS v3 base score is 4.3 out of 10.