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CVE-2014-3553

18
FAUCET Score

CVE-2014-3553 describes an access bypass vulnerability in Moodle versions through 2.3.11, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, and 2.7.x before 2.7.1. An authenticated user with membership in two or more groups could post to all groups without possessing the required moodle/site:accessallgroups capability. This vulnerability has a CVSS score of 4.9 (Medium), indicating a network-based attack with medium complexity, requiring authentication, and potentially leading to partial confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
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:*:*:*:*:*:*:*
2.5.4CPE matchmatch criteria
cpe:2.3:a:moodle:moodle:2.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
59.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0102 is in the 54th percentile among its peer group of 1,425 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.5.7
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.6.4
composerpatch availablevia ghsa
Product: moodle/moodleFixed in: 2.7.1

Vendor Advisories (1)

composerGHSA-mg69-5q59-8jcgmedium

Moodle does not enforce the moodle/site:accessallgroups capability requirement

May 13, 2022

References

git.moodle.org / gw
Patch
openwall.com / lists/oss-security/2014/07/21/1
moodle.org / mod/forum/discuss.php
Vendor Advisory