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CVE-2023-1402

19
FAUCET Score

CVE-2023-1402 is a medium-severity information disclosure vulnerability affecting Moodle, where the course participation report failed to adequately restrict the display of roles to which a user lacked access. With a CVSS score of 4.3, this low-complexity vulnerability allows an authenticated attacker to gain unauthorized access to sensitive information (CWE-200, CWE-668). There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
> 3.9.0, < 3.9.20CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
> 3.11.0, < 3.11.13CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
> 4.0.0, < 4.0.7CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
3.9.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.9.0:-:*:*:*:*:*:*
3.11.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.11.0:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
51.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0074 is in the 62nd percentile among its peer group of 21,977 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 (4)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.1.2
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 4.0.7
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.11.13
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.9.20

Vendor Advisories (1)

composerGHSA-vj5p-fp42-774pmedium

Moodle may display roles to users who don't have access to them

Mar 23, 2023

References

bugzilla.redhat.com / show_bug.cgi
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF
moodle.org / mod/forum/discuss.php
PatchVendor Advisory