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CVE-2019-10154

24
FAUCET Score

CVE-2019-10154 describes a high-severity vulnerability in Moodle versions prior to 3.7 and 3.6.4, where a web service designed to fetch messages lacked proper restrictions, allowing unauthorized access to other users' conversations. This flaw has a CVSS score of 7.5, indicating a high impact on confidentiality due to its network-based attack vector and low attack complexity, requiring no user interaction or privileges. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.6.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.32%
Probability of exploitation in next 30 days
EPSS Percentile
67.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0132 is in the 48th percentile among its peer group of 51,551 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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: 3.6.4

Vendor Advisories (1)

composerGHSA-ww45-x87c-wgffhigh

Moodle all messaging conversations could be viewed

May 24, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
moodle.org / mod/forum/discuss.php
PatchVendor Advisory