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CVE-2017-15110

18
FAUCET Score

CVE-2017-15110 describes an information disclosure vulnerability in Moodle 3.x, where students can enumerate and guess the email addresses of other students within the same course via the Participants page search function, regardless of email visibility settings. This medium-severity vulnerability (CVSS 4.3) has a low attack complexity and requires low privileges, potentially leading to a limited impact on confidentiality (CWE-200). 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
<= 3.0.10CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.1, <= 3.1.8CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.2, <= 3.2.5CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
>= 3.3, <= 3.3.2CPE 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
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 75th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (3)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.1.9
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.2.6
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.3.3

Vendor Advisories (1)

composerGHSA-rjh8-w8jg-xwq5medium

Moodle Exposure of Sensitive Information to an Unauthorized Actor

May 17, 2022

References

moodle.org / mod/forum/discuss.php
Issue TrackingMitigationVendor Advisory
securityfocus.com / bid/101909
Third Party AdvisoryVDB Entry