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CVE-2017-2643

20
FAUCET Score

CVE-2017-2643 describes an information disclosure vulnerability in Moodle 3.2.x, where the global search function inadvertently reveals usernames to unauthenticated users. This medium-severity flaw (CVSS 5.3) has a low impact on confidentiality and requires no user interaction or privileges to exploit. While there is no evidence of active exploitation, public exploit code, or significant community discussion, organizations using affected Moodle versions should still consider applying available patches to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.0:*:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.0:beta:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.0:rc1:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.0:rc2:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.2.0:rc3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
72.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 57th percentile among its peer group of 23,725 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 (1)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.2.2

Vendor Advisories (1)

composerGHSA-98mf-mqw9-9q8qmedium

Moodle Global search displays user names for unauthenticated users

May 17, 2022

References

moodle.org / mod/forum/discuss.php
PatchThird Party Advisory
securityfocus.com / bid/96978
Third Party AdvisoryVDB Entry
securitytracker.com / id/1038174