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CVE-2018-10890

18
FAUCET Score

CVE-2018-10890 describes a medium-severity information disclosure vulnerability in Moodle versions prior to 3.5.1, 3.4.4, 3.3.7, and 3.1.13. The core_course_get_categories web service could inadvertently expose hidden course categories. This flaw has a CVSS score of 5.3, indicating a low impact on confidentiality with no integrity or availability concerns, and can be exploited remotely without authentication or user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.1.0, < 3.1.13CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.3.0, < 3.3.7CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.5.0, < 3.5.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.14%
Probability of exploitation in next 30 days
EPSS Percentile
80.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0214 is in the 69th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.1.13
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.3.7
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.4.4
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.5.1

Vendor Advisories (1)

composerGHSA-5w4h-xrr5-7273medium

Moodle Exposure of Sensitive Information to an Unauthorized Actor

May 13, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
moodle.org / mod/forum/discuss.php
PatchVendor Advisory
securityfocus.com / bid/104738
Third Party AdvisoryVDB Entry