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CVE-2017-7531

18
FAUCET Score

CVE-2017-7531 describes an information disclosure vulnerability in Moodle 3.3, where the course overview block inadvertently reveals activities within courses that are intended to be hidden. This medium-severity vulnerability (CVSS 4.3) has a low attack complexity and requires low privileges, allowing an authenticated attacker to gain unauthorized access to sensitive information (CWE-200). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.3.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:3.3.0:*:*:*:*:*:*:*

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
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 69th 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 (1)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 3.3.1

Vendor Advisories (1)

composerGHSA-w2pj-r8m3-r4jcmedium

Moodle Information Disclosure

May 13, 2022

References

moodle.org / mod/forum/discuss.php
PatchVendor Advisory
securityfocus.com / bid/99618
Third Party AdvisoryVDB Entry