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CVE-2014-7834

14
FAUCET Score

CVE-2014-7834 describes a vulnerability in Moodle versions 2.6.x before 2.6.6 and 2.7.x before 2.7.3, where the mod/forum/externallib.php component fails to properly verify group permissions. This flaw allows authenticated users to bypass intended access restrictions and view forum discussions via the forum_get_discussions web service. The vulnerability has a CVSS score of 4.0, indicating a low severity, with an attack vector over the network, low attack complexity, and a potential impact of information disclosure. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.11CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
2.5.0CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
2.5.1CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.1:*:*:*:*:*:*:*
2.5.2CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.2:*:*:*:*:*:*:*
2.5.3CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 88th percentile among its peer group of 21,974 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (2)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.6.6
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.7.3

Vendor Advisories (1)

composerGHSA-557f-2hv4-7jjmmedium

Moodle does not verify group permissions

May 13, 2022

References

git.moodle.org / gw
openwall.com / lists/oss-security/2014/11/17/11
moodle.org / mod/forum/discuss.php
Vendor Advisory
securitytracker.com / id/1031215