A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.

CVE-2018-16854

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

moodle reports :

The login form is not protected by a token to prevent login cross-site request forgery.

ID	Name	Product	Family	Severity
120909	Fedora 28 : moodle (2018-f4910a3260)	Nessus	Fedora Local Security Checks	high
120496	Fedora 29 : moodle (2018-6a4a3b78fd)	Nessus	Fedora Local Security Checks	high
119316	FreeBSD : moodle -- Login CSRF vulnerability (889e35f4-f6a0-11e8-82dc-fcaa147e860e)	Nessus	FreeBSD Local Security Checks	high
119291	Fedora 27 : moodle (2018-4ec3eecd7f)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2018-16854

high

Tenable Plugins

high

high

high

high